Home / 124,762,961.10-187,156,948.05-42,871,053.90

Finding the Fourth Proportional to 124,762,961.10, 187,156,948.05 and 42,871,053.90

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Solution

The fourth proportional to 124,762,961.10, 187,156,948.05 and 42,871,053.90 is: 64,310,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,961.10 : 187,156,948.05 = 42,871,053.90 : x
  2. Step 2: Convert to fraction form
    124,762,961.10/187,156,948.05 = 42,871,053.90/x
  3. Step 3: Cross multiply
    124,762,961.10x = 187,156,948.05 × 42,871,053.90
  4. Step 4: Simplify right side
    124,762,961.10x = 8,023,615,607,611,050
  5. Step 5: Solve for x
    x = 8,023,615,607,611,050/124,762,961.10
  6. Step 6: Final answer
    x = 64,310,878.30

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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.