Home / 117,423,499.13-176,134,127.17-71,378,081.28

Finding the Fourth Proportional to 117,423,499.13, 176,134,127.17 and 71,378,081.28

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Solution

The fourth proportional to 117,423,499.13, 176,134,127.17 and 71,378,081.28 is: 107,066,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423,499.13 : 176,134,127.17 = 71,378,081.28 : x
  2. Step 2: Convert to fraction form
    117,423,499.13/176,134,127.17 = 71,378,081.28/x
  3. Step 3: Cross multiply
    117,423,499.13x = 176,134,127.17 × 71,378,081.28
  4. Step 4: Simplify right side
    117,423,499.13x = 12,572,116,045,478,436
  5. Step 5: Solve for x
    x = 12,572,116,045,478,436/117,423,499.13
  6. Step 6: Final answer
    x = 107,066,440.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.