Home / 103,406,765.56-142,699,633.02-57,001,337.32

Finding the Fourth Proportional to 103,406,765.56, 142,699,633.02 and 57,001,337.32

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Solution

The fourth proportional to 103,406,765.56, 142,699,633.02 and 57,001,337.32 is: 78,660,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,406,765.56 : 142,699,633.02 = 57,001,337.32 : x
  2. Step 2: Convert to fraction form
    103,406,765.56/142,699,633.02 = 57,001,337.32/x
  3. Step 3: Cross multiply
    103,406,765.56x = 142,699,633.02 × 57,001,337.32
  4. Step 4: Simplify right side
    103,406,765.56x = 8,134,069,917,213,231
  5. Step 5: Solve for x
    x = 8,134,069,917,213,231/103,406,765.56
  6. Step 6: Final answer
    x = 78,660,906.50

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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.