Home / 102,612,017.08-141,604,659.92-55,569,455.72

Finding the Fourth Proportional to 102,612,017.08, 141,604,659.92 and 55,569,455.72

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Solution

The fourth proportional to 102,612,017.08, 141,604,659.92 and 55,569,455.72 is: 76,685,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,612,017.08 : 141,604,659.92 = 55,569,455.72 : x
  2. Step 2: Convert to fraction form
    102,612,017.08/141,604,659.92 = 55,569,455.72/x
  3. Step 3: Cross multiply
    102,612,017.08x = 141,604,659.92 × 55,569,455.72
  4. Step 4: Simplify right side
    102,612,017.08x = 7,868,893,878,538,240
  5. Step 5: Solve for x
    x = 7,868,893,878,538,240/102,612,017.08
  6. Step 6: Final answer
    x = 76,685,890.23

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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.