Home / 90,849,779.74-125,372,058.25-49,596,672.12

Finding the Fourth Proportional to 90,849,779.74, 125,372,058.25 and 49,596,672.12

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Solution

The fourth proportional to 90,849,779.74, 125,372,058.25 and 49,596,672.12 is: 68,443,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849,779.74 : 125,372,058.25 = 49,596,672.12 : x
  2. Step 2: Convert to fraction form
    90,849,779.74/125,372,058.25 = 49,596,672.12/x
  3. Step 3: Cross multiply
    90,849,779.74x = 125,372,058.25 × 49,596,672.12
  4. Step 4: Simplify right side
    90,849,779.74x = 6,218,036,866,034,791
  5. Step 5: Solve for x
    x = 6,218,036,866,034,791/90,849,779.74
  6. Step 6: Final answer
    x = 68,443,059.34

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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.