Home / 88,706,411.20-133,059,616.80-82,070,891.20

Finding the Fourth Proportional to 88,706,411.20, 133,059,616.80 and 82,070,891.20

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Solution

The fourth proportional to 88,706,411.20, 133,059,616.80 and 82,070,891.20 is: 123,106,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,411.20 : 133,059,616.80 = 82,070,891.20 : x
  2. Step 2: Convert to fraction form
    88,706,411.20/133,059,616.80 = 82,070,891.20/x
  3. Step 3: Cross multiply
    88,706,411.20x = 133,059,616.80 × 82,070,891.20
  4. Step 4: Simplify right side
    88,706,411.20x = 10,920,321,333,506,492
  5. Step 5: Solve for x
    x = 10,920,321,333,506,492/88,706,411.20
  6. Step 6: Final answer
    x = 123,106,336.80

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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.