Home / 134,569,522.97-185,706,023.06-72,689,888.87

Finding the Fourth Proportional to 134,569,522.97, 185,706,023.06 and 72,689,888.87

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Solution

The fourth proportional to 134,569,522.97, 185,706,023.06 and 72,689,888.87 is: 100,312,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,569,522.97 : 185,706,023.06 = 72,689,888.87 : x
  2. Step 2: Convert to fraction form
    134,569,522.97/185,706,023.06 = 72,689,888.87/x
  3. Step 3: Cross multiply
    134,569,522.97x = 185,706,023.06 × 72,689,888.87
  4. Step 4: Simplify right side
    134,569,522.97x = 13,498,950,178,357,610
  5. Step 5: Solve for x
    x = 13,498,950,178,357,610/134,569,522.97
  6. Step 6: Final answer
    x = 100,312,090.59

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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.