Home / 103,477,257,423.30-155,215,886,134.95-56,458,758,965.70

Finding the Fourth Proportional to 103,477,257,423.30, 155,215,886,134.95 and 56,458,758,965.70

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Solution

The fourth proportional to 103,477,257,423.30, 155,215,886,134.95 and 56,458,758,965.70 is: 84,688,138,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477,257,423.30 : 155,215,886,134.95 = 56,458,758,965.70 : x
  2. Step 2: Convert to fraction form
    103,477,257,423.30/155,215,886,134.95 = 56,458,758,965.70/x
  3. Step 3: Cross multiply
    103,477,257,423.30x = 155,215,886,134.95 × 56,458,758,965.70
  4. Step 4: Simplify right side
    103,477,257,423.30x = 8,763,296,302,940,679,045,120
  5. Step 5: Solve for x
    x = 8,763,296,302,940,679,045,120/103,477,257,423.30
  6. Step 6: Final answer
    x = 84,688,138,448.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.