Home / 81,434,751.30-122,169,841.65-26,838,045.90

Finding the Fourth Proportional to 81,434,751.30, 122,169,841.65 and 26,838,045.90

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Solution

The fourth proportional to 81,434,751.30, 122,169,841.65 and 26,838,045.90 is: 40,262,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,434,751.30 : 122,169,841.65 = 26,838,045.90 : x
  2. Step 2: Convert to fraction form
    81,434,751.30/122,169,841.65 = 26,838,045.90/x
  3. Step 3: Cross multiply
    81,434,751.30x = 122,169,841.65 × 26,838,045.90
  4. Step 4: Simplify right side
    81,434,751.30x = 3,278,799,817,798,431.50
  5. Step 5: Solve for x
    x = 3,278,799,817,798,431.50/81,434,751.30
  6. Step 6: Final answer
    x = 40,262,907.00

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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.