Home / 117,264,130.92-161,824,691.34-65,053,167.84

Finding the Fourth Proportional to 117,264,130.92, 161,824,691.34 and 65,053,167.84

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Solution

The fourth proportional to 117,264,130.92, 161,824,691.34 and 65,053,167.84 is: 89,773,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264,130.92 : 161,824,691.34 = 65,053,167.84 : x
  2. Step 2: Convert to fraction form
    117,264,130.92/161,824,691.34 = 65,053,167.84/x
  3. Step 3: Cross multiply
    117,264,130.92x = 161,824,691.34 × 65,053,167.84
  4. Step 4: Simplify right side
    117,264,130.92x = 10,527,208,806,397,216
  5. Step 5: Solve for x
    x = 10,527,208,806,397,216/117,264,130.92
  6. Step 6: Final answer
    x = 89,773,477.40

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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.