Home / 71,249,498.24-98,273,608.93-65,388,064.86

Finding the Fourth Proportional to 71,249,498.24, 98,273,608.93 and 65,388,064.86

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Solution

The fourth proportional to 71,249,498.24, 98,273,608.93 and 65,388,064.86 is: 90,189,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249,498.24 : 98,273,608.93 = 65,388,064.86 : x
  2. Step 2: Convert to fraction form
    71,249,498.24/98,273,608.93 = 65,388,064.86/x
  3. Step 3: Cross multiply
    71,249,498.24x = 98,273,608.93 × 65,388,064.86
  4. Step 4: Simplify right side
    71,249,498.24x = 6,425,921,114,822,851
  5. Step 5: Solve for x
    x = 6,425,921,114,822,851/71,249,498.24
  6. Step 6: Final answer
    x = 90,189,001.66

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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.