Home / 42,262,145.60-63,393,218.40-39,406,798.40

Finding the Fourth Proportional to 42,262,145.60, 63,393,218.40 and 39,406,798.40

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Solution

The fourth proportional to 42,262,145.60, 63,393,218.40 and 39,406,798.40 is: 59,110,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,262,145.60 : 63,393,218.40 = 39,406,798.40 : x
  2. Step 2: Convert to fraction form
    42,262,145.60/63,393,218.40 = 39,406,798.40/x
  3. Step 3: Cross multiply
    42,262,145.60x = 63,393,218.40 × 39,406,798.40
  4. Step 4: Simplify right side
    42,262,145.60x = 2,498,123,777,415,970.50
  5. Step 5: Solve for x
    x = 2,498,123,777,415,970.50/42,262,145.60
  6. Step 6: Final answer
    x = 59,110,197.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.