Home / 119,974,838.51-165,518,402.75-69,730,708.61

Finding the Fourth Proportional to 119,974,838.51, 165,518,402.75 and 69,730,708.61

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Solution

The fourth proportional to 119,974,838.51, 165,518,402.75 and 69,730,708.61 is: 96,201,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,974,838.51 : 165,518,402.75 = 69,730,708.61 : x
  2. Step 2: Convert to fraction form
    119,974,838.51/165,518,402.75 = 69,730,708.61/x
  3. Step 3: Cross multiply
    119,974,838.51x = 165,518,402.75 × 69,730,708.61
  4. Step 4: Simplify right side
    119,974,838.51x = 11,541,715,511,752,872
  5. Step 5: Solve for x
    x = 11,541,715,511,752,872/119,974,838.51
  6. Step 6: Final answer
    x = 96,201,133.96

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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.