Home / 90,666,350.86-136,026,209.05-29,254,357.50

Finding the Fourth Proportional to 90,666,350.86, 136,026,209.05 and 29,254,357.50

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Solution

The fourth proportional to 90,666,350.86, 136,026,209.05 and 29,254,357.50 is: 43,890,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666,350.86 : 136,026,209.05 = 29,254,357.50 : x
  2. Step 2: Convert to fraction form
    90,666,350.86/136,026,209.05 = 29,254,357.50/x
  3. Step 3: Cross multiply
    90,666,350.86x = 136,026,209.05 × 29,254,357.50
  4. Step 4: Simplify right side
    90,666,350.86x = 3,979,359,348,918,435.50
  5. Step 5: Solve for x
    x = 3,979,359,348,918,435.50/90,666,350.86
  6. Step 6: Final answer
    x = 43,890,145.70

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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.