Home / 66,432,347.70-99,648,521.55-49,426,235.70

Finding the Fourth Proportional to 66,432,347.70, 99,648,521.55 and 49,426,235.70

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Solution

The fourth proportional to 66,432,347.70, 99,648,521.55 and 49,426,235.70 is: 74,139,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,347.70 : 99,648,521.55 = 49,426,235.70 : x
  2. Step 2: Convert to fraction form
    66,432,347.70/99,648,521.55 = 49,426,235.70/x
  3. Step 3: Cross multiply
    66,432,347.70x = 99,648,521.55 × 49,426,235.70
  4. Step 4: Simplify right side
    66,432,347.70x = 4,925,251,313,286,829
  5. Step 5: Solve for x
    x = 4,925,251,313,286,829/66,432,347.70
  6. Step 6: Final answer
    x = 74,139,353.55

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Double scale
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Similar ratio
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1.5x scale

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.