Home / 70,605,117.48-97,442,951.76-42,743,179.20

Finding the Fourth Proportional to 70,605,117.48, 97,442,951.76 and 42,743,179.20

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Solution

The fourth proportional to 70,605,117.48, 97,442,951.76 and 42,743,179.20 is: 58,990,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,605,117.48 : 97,442,951.76 = 42,743,179.20 : x
  2. Step 2: Convert to fraction form
    70,605,117.48/97,442,951.76 = 42,743,179.20/x
  3. Step 3: Cross multiply
    70,605,117.48x = 97,442,951.76 × 42,743,179.20
  4. Step 4: Simplify right side
    70,605,117.48x = 4,165,021,548,854,636
  5. Step 5: Solve for x
    x = 4,165,021,548,854,636/70,605,117.48
  6. Step 6: Final answer
    x = 58,990,363.55

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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.