Home / 117,264,732.51-161,825,521.23-65,053,769.52

Finding the Fourth Proportional to 117,264,732.51, 161,825,521.23 and 65,053,769.52

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Solution

The fourth proportional to 117,264,732.51, 161,825,521.23 and 65,053,769.52 is: 89,774,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,264,732.51 : 161,825,521.23 = 65,053,769.52 : x
  2. Step 2: Convert to fraction form
    117,264,732.51/161,825,521.23 = 65,053,769.52/x
  3. Step 3: Cross multiply
    117,264,732.51x = 161,825,521.23 × 65,053,769.52
  4. Step 4: Simplify right side
    117,264,732.51x = 10,527,360,160,550,286
  5. Step 5: Solve for x
    x = 10,527,360,160,550,286/117,264,732.51
  6. Step 6: Final answer
    x = 89,774,307.55

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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.