Home / 71,242,031.45-98,314,192.67-38,646,983.45

Finding the Fourth Proportional to 71,242,031.45, 98,314,192.67 and 38,646,983.45

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Solution

The fourth proportional to 71,242,031.45, 98,314,192.67 and 38,646,983.45 is: 53,332,939.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242,031.45 : 98,314,192.67 = 38,646,983.45 : x
  2. Step 2: Convert to fraction form
    71,242,031.45/98,314,192.67 = 38,646,983.45/x
  3. Step 3: Cross multiply
    71,242,031.45x = 98,314,192.67 × 38,646,983.45
  4. Step 4: Simplify right side
    71,242,031.45x = 3,799,546,977,070,152
  5. Step 5: Solve for x
    x = 3,799,546,977,070,152/71,242,031.45
  6. Step 6: Final answer
    x = 53,332,939.83

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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.