Home / 113,954,854.52-157,257,758.40-61,743,931.40

Finding the Fourth Proportional to 113,954,854.52, 157,257,758.40 and 61,743,931.40

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Solution

The fourth proportional to 113,954,854.52, 157,257,758.40 and 61,743,931.40 is: 85,206,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,954,854.52 : 157,257,758.40 = 61,743,931.40 : x
  2. Step 2: Convert to fraction form
    113,954,854.52/157,257,758.40 = 61,743,931.40/x
  3. Step 3: Cross multiply
    113,954,854.52x = 157,257,758.40 × 61,743,931.40
  4. Step 4: Simplify right side
    113,954,854.52x = 9,709,712,246,767,374
  5. Step 5: Solve for x
    x = 9,709,712,246,767,374/113,954,854.52
  6. Step 6: Final answer
    x = 85,206,657.39

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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.