Home / 103,477,257,424.05-155,215,886,136.08-56,458,758,966.45

Finding the Fourth Proportional to 103,477,257,424.05, 155,215,886,136.08 and 56,458,758,966.45

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Solution

The fourth proportional to 103,477,257,424.05, 155,215,886,136.08 and 56,458,758,966.45 is: 84,688,138,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477,257,424.05 : 155,215,886,136.08 = 56,458,758,966.45 : x
  2. Step 2: Convert to fraction form
    103,477,257,424.05/155,215,886,136.08 = 56,458,758,966.45/x
  3. Step 3: Cross multiply
    103,477,257,424.05x = 155,215,886,136.08 × 56,458,758,966.45
  4. Step 4: Simplify right side
    103,477,257,424.05x = 8,763,296,303,120,887,316,480
  5. Step 5: Solve for x
    x = 8,763,296,303,120,887,316,480/103,477,257,424.05
  6. Step 6: Final answer
    x = 84,688,138,449.68

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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.