Home / 71,368,707.52-98,486,899.20-42,001,768

Finding the Fourth Proportional to 71,368,707.52, 98,486,899.20 and 42,001,768

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Solution

The fourth proportional to 71,368,707.52, 98,486,899.20 and 42,001,768 is: 57,961,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368,707.52 : 98,486,899.20 = 42,001,768 : x
  2. Step 2: Convert to fraction form
    71,368,707.52/98,486,899.20 = 42,001,768/x
  3. Step 3: Cross multiply
    71,368,707.52x = 98,486,899.20 × 42,001,768
  4. Step 4: Simplify right side
    71,368,707.52x = 4,136,623,891,237,785.50
  5. Step 5: Solve for x
    x = 4,136,623,891,237,785.50/71,368,707.52
  6. Step 6: Final answer
    x = 57,961,311.55

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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.