Home / 103,373,623.80-142,656,557.40-56,965,538.52

Finding the Fourth Proportional to 103,373,623.80, 142,656,557.40 and 56,965,538.52

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Solution

The fourth proportional to 103,373,623.80, 142,656,557.40 and 56,965,538.52 is: 78,612,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,623.80 : 142,656,557.40 = 56,965,538.52 : x
  2. Step 2: Convert to fraction form
    103,373,623.80/142,656,557.40 = 56,965,538.52/x
  3. Step 3: Cross multiply
    103,373,623.80x = 142,656,557.40 × 56,965,538.52
  4. Step 4: Simplify right side
    103,373,623.80x = 8,126,507,615,700,292
  5. Step 5: Solve for x
    x = 8,126,507,615,700,292/103,373,623.80
  6. Step 6: Final answer
    x = 78,612,970.28

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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.