Home / 71,057,004.24-98,017,734.96-42,779,691.84

Finding the Fourth Proportional to 71,057,004.24, 98,017,734.96 and 42,779,691.84

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Solution

The fourth proportional to 71,057,004.24, 98,017,734.96 and 42,779,691.84 is: 59,011,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057,004.24 : 98,017,734.96 = 42,779,691.84 : x
  2. Step 2: Convert to fraction form
    71,057,004.24/98,017,734.96 = 42,779,691.84/x
  3. Step 3: Cross multiply
    71,057,004.24x = 98,017,734.96 × 42,779,691.84
  4. Step 4: Simplify right side
    71,057,004.24x = 4,193,168,496,443,595
  5. Step 5: Solve for x
    x = 4,193,168,496,443,595/71,057,004.24
  6. Step 6: Final answer
    x = 59,011,332.40

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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.