Home / 163,120,116.48-225,105,748.20-88,781,210.04

Finding the Fourth Proportional to 163,120,116.48, 225,105,748.20 and 88,781,210.04

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Solution

The fourth proportional to 163,120,116.48, 225,105,748.20 and 88,781,210.04 is: 122,518,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,120,116.48 : 225,105,748.20 = 88,781,210.04 : x
  2. Step 2: Convert to fraction form
    163,120,116.48/225,105,748.20 = 88,781,210.04/x
  3. Step 3: Cross multiply
    163,120,116.48x = 225,105,748.20 × 88,781,210.04
  4. Step 4: Simplify right side
    163,120,116.48x = 19,985,160,712,155,552
  5. Step 5: Solve for x
    x = 19,985,160,712,155,552/163,120,116.48
  6. Step 6: Final answer
    x = 122,518,063.03

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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.