Home / 99,793,208.20-149,689,812.30-61,497,963.40

Finding the Fourth Proportional to 99,793,208.20, 149,689,812.30 and 61,497,963.40

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Solution

The fourth proportional to 99,793,208.20, 149,689,812.30 and 61,497,963.40 is: 92,246,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,793,208.20 : 149,689,812.30 = 61,497,963.40 : x
  2. Step 2: Convert to fraction form
    99,793,208.20/149,689,812.30 = 61,497,963.40/x
  3. Step 3: Cross multiply
    99,793,208.20x = 149,689,812.30 × 61,497,963.40
  4. Step 4: Simplify right side
    99,793,208.20x = 9,205,618,598,178,270
  5. Step 5: Solve for x
    x = 9,205,618,598,178,270/99,793,208.20
  6. Step 6: Final answer
    x = 92,246,945.10

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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.