Home / 103,412,012.24-142,708,542.08-57,003,041.18

Finding the Fourth Proportional to 103,412,012.24, 142,708,542.08 and 57,003,041.18

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Solution

The fourth proportional to 103,412,012.24, 142,708,542.08 and 57,003,041.18 is: 78,664,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412,012.24 : 142,708,542.08 = 57,003,041.18 : x
  2. Step 2: Convert to fraction form
    103,412,012.24/142,708,542.08 = 57,003,041.18/x
  3. Step 3: Cross multiply
    103,412,012.24x = 142,708,542.08 × 57,003,041.18
  4. Step 4: Simplify right side
    103,412,012.24x = 8,134,820,900,924,004
  5. Step 5: Solve for x
    x = 8,134,820,900,924,004/103,412,012.24
  6. Step 6: Final answer
    x = 78,664,177.64

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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.