Home / 123,900,766.98-170,983,200.15-68,895,442.50

Finding the Fourth Proportional to 123,900,766.98, 170,983,200.15 and 68,895,442.50

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Solution

The fourth proportional to 123,900,766.98, 170,983,200.15 and 68,895,442.50 is: 95,075,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900,766.98 : 170,983,200.15 = 68,895,442.50 : x
  2. Step 2: Convert to fraction form
    123,900,766.98/170,983,200.15 = 68,895,442.50/x
  3. Step 3: Cross multiply
    123,900,766.98x = 170,983,200.15 × 68,895,442.50
  4. Step 4: Simplify right side
    123,900,766.98x = 11,779,963,234,400,316
  5. Step 5: Solve for x
    x = 11,779,963,234,400,316/123,900,766.98
  6. Step 6: Final answer
    x = 95,075,789.45

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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.