Home / 191,719,200.30-287,578,800.45-130,497,197.10

Finding the Fourth Proportional to 191,719,200.30, 287,578,800.45 and 130,497,197.10

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Solution

The fourth proportional to 191,719,200.30, 287,578,800.45 and 130,497,197.10 is: 195,745,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,719,200.30 : 287,578,800.45 = 130,497,197.10 : x
  2. Step 2: Convert to fraction form
    191,719,200.30/287,578,800.45 = 130,497,197.10/x
  3. Step 3: Cross multiply
    191,719,200.30x = 287,578,800.45 × 130,497,197.10
  4. Step 4: Simplify right side
    191,719,200.30x = 37,528,227,404,105,216
  5. Step 5: Solve for x
    x = 37,528,227,404,105,216/191,719,200.30
  6. Step 6: Final answer
    x = 195,745,795.65

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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.