Home / 98,944,904.74-136,487,238.72-61,710,541.57

Finding the Fourth Proportional to 98,944,904.74, 136,487,238.72 and 61,710,541.57

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Solution

The fourth proportional to 98,944,904.74, 136,487,238.72 and 61,710,541.57 is: 85,125,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,944,904.74 : 136,487,238.72 = 61,710,541.57 : x
  2. Step 2: Convert to fraction form
    98,944,904.74/136,487,238.72 = 61,710,541.57/x
  3. Step 3: Cross multiply
    98,944,904.74x = 136,487,238.72 × 61,710,541.57
  4. Step 4: Simplify right side
    98,944,904.74x = 8,422,701,418,805,074
  5. Step 5: Solve for x
    x = 8,422,701,418,805,074/98,944,904.74
  6. Step 6: Final answer
    x = 85,125,165.78

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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.