Home / 103,297,973.14-142,549,480.38-56,892,545.02

Finding the Fourth Proportional to 103,297,973.14, 142,549,480.38 and 56,892,545.02

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Solution

The fourth proportional to 103,297,973.14, 142,549,480.38 and 56,892,545.02 is: 78,510,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,297,973.14 : 142,549,480.38 = 56,892,545.02 : x
  2. Step 2: Convert to fraction form
    103,297,973.14/142,549,480.38 = 56,892,545.02/x
  3. Step 3: Cross multiply
    103,297,973.14x = 142,549,480.38 × 56,892,545.02
  4. Step 4: Simplify right side
    103,297,973.14x = 8,110,002,730,096,757
  5. Step 5: Solve for x
    x = 8,110,002,730,096,757/103,297,973.14
  6. Step 6: Final answer
    x = 78,510,763.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.