Home / 153,085,206.78-229,563,963.15-48,013,478.72

Finding the Fourth Proportional to 153,085,206.78, 229,563,963.15 and 48,013,478.72

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Solution

The fourth proportional to 153,085,206.78, 229,563,963.15 and 48,013,478.72 is: 72,000,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,085,206.78 : 229,563,963.15 = 48,013,478.72 : x
  2. Step 2: Convert to fraction form
    153,085,206.78/229,563,963.15 = 48,013,478.72/x
  3. Step 3: Cross multiply
    153,085,206.78x = 229,563,963.15 × 48,013,478.72
  4. Step 4: Simplify right side
    153,085,206.78x = 11,022,164,458,433,570
  5. Step 5: Solve for x
    x = 11,022,164,458,433,570/153,085,206.78
  6. Step 6: Final answer
    x = 72,000,193.16

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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.