Home / 108,881,329.80-163,321,994.70-92,442,088.20

Finding the Fourth Proportional to 108,881,329.80, 163,321,994.70 and 92,442,088.20

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Solution

The fourth proportional to 108,881,329.80, 163,321,994.70 and 92,442,088.20 is: 138,663,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,881,329.80 : 163,321,994.70 = 92,442,088.20 : x
  2. Step 2: Convert to fraction form
    108,881,329.80/163,321,994.70 = 92,442,088.20/x
  3. Step 3: Cross multiply
    108,881,329.80x = 163,321,994.70 × 92,442,088.20
  4. Step 4: Simplify right side
    108,881,329.80x = 15,097,826,239,057,332
  5. Step 5: Solve for x
    x = 15,097,826,239,057,332/108,881,329.80
  6. Step 6: Final answer
    x = 138,663,132.30

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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.