Home / 130,655,726.08-195,851,843.52-82,168,230.40

Finding the Fourth Proportional to 130,655,726.08, 195,851,843.52 and 82,168,230.40

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Solution

The fourth proportional to 130,655,726.08, 195,851,843.52 and 82,168,230.40 is: 123,169,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,655,726.08 : 195,851,843.52 = 82,168,230.40 : x
  2. Step 2: Convert to fraction form
    130,655,726.08/195,851,843.52 = 82,168,230.40/x
  3. Step 3: Cross multiply
    130,655,726.08x = 195,851,843.52 × 82,168,230.40
  4. Step 4: Simplify right side
    130,655,726.08x = 16,092,799,402,616,110
  5. Step 5: Solve for x
    x = 16,092,799,402,616,110/130,655,726.08
  6. Step 6: Final answer
    x = 123,169,491.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.