Home / 124,762,938.10-187,156,913.55-42,871,030.90

Finding the Fourth Proportional to 124,762,938.10, 187,156,913.55 and 42,871,030.90

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Solution

The fourth proportional to 124,762,938.10, 187,156,913.55 and 42,871,030.90 is: 64,310,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,938.10 : 187,156,913.55 = 42,871,030.90 : x
  2. Step 2: Convert to fraction form
    124,762,938.10/187,156,913.55 = 42,871,030.90/x
  3. Step 3: Cross multiply
    124,762,938.10x = 187,156,913.55 × 42,871,030.90
  4. Step 4: Simplify right side
    124,762,938.10x = 8,023,609,823,950,679
  5. Step 5: Solve for x
    x = 8,023,609,823,950,679/124,762,938.10
  6. Step 6: Final answer
    x = 64,310,843.80

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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.