Home / 136,736,937.97-188,696,950.95-74,013,023.50

Finding the Fourth Proportional to 136,736,937.97, 188,696,950.95 and 74,013,023.50

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Solution

The fourth proportional to 136,736,937.97, 188,696,950.95 and 74,013,023.50 is: 102,137,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,736,937.97 : 188,696,950.95 = 74,013,023.50 : x
  2. Step 2: Convert to fraction form
    136,736,937.97/188,696,950.95 = 74,013,023.50/x
  3. Step 3: Cross multiply
    136,736,937.97x = 188,696,950.95 × 74,013,023.50
  4. Step 4: Simplify right side
    136,736,937.97x = 13,966,031,865,040,696
  5. Step 5: Solve for x
    x = 13,966,031,865,040,696/136,736,937.97
  6. Step 6: Final answer
    x = 102,137,959.74

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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.