Home / 103,406,761.56-142,699,627.50-57,001,333.32

Finding the Fourth Proportional to 103,406,761.56, 142,699,627.50 and 57,001,333.32

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Solution

The fourth proportional to 103,406,761.56, 142,699,627.50 and 57,001,333.32 is: 78,660,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,406,761.56 : 142,699,627.50 = 57,001,333.32 : x
  2. Step 2: Convert to fraction form
    103,406,761.56/142,699,627.50 = 57,001,333.32/x
  3. Step 3: Cross multiply
    103,406,761.56x = 142,699,627.50 × 57,001,333.32
  4. Step 4: Simplify right side
    103,406,761.56x = 8,134,069,031,767,338
  5. Step 5: Solve for x
    x = 8,134,069,031,767,338/103,406,761.56
  6. Step 6: Final answer
    x = 78,660,900.98

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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.