Home / 133,248,001.20-199,872,001.80-102,977,588.40

Finding the Fourth Proportional to 133,248,001.20, 199,872,001.80 and 102,977,588.40

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Solution

The fourth proportional to 133,248,001.20, 199,872,001.80 and 102,977,588.40 is: 154,466,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,248,001.20 : 199,872,001.80 = 102,977,588.40 : x
  2. Step 2: Convert to fraction form
    133,248,001.20/199,872,001.80 = 102,977,588.40/x
  3. Step 3: Cross multiply
    133,248,001.20x = 199,872,001.80 × 102,977,588.40
  4. Step 4: Simplify right side
    133,248,001.20x = 20,582,336,734,044,460
  5. Step 5: Solve for x
    x = 20,582,336,734,044,460/133,248,001.20
  6. Step 6: Final answer
    x = 154,466,382.60

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1.5x scale

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.