Home / 237,146,519.40-355,719,779.10-155,779,621.80

Finding the Fourth Proportional to 237,146,519.40, 355,719,779.10 and 155,779,621.80

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Solution

The fourth proportional to 237,146,519.40, 355,719,779.10 and 155,779,621.80 is: 233,669,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,146,519.40 : 355,719,779.10 = 155,779,621.80 : x
  2. Step 2: Convert to fraction form
    237,146,519.40/355,719,779.10 = 155,779,621.80/x
  3. Step 3: Cross multiply
    237,146,519.40x = 355,719,779.10 × 155,779,621.80
  4. Step 4: Simplify right side
    237,146,519.40x = 55,413,892,654,977,552
  5. Step 5: Solve for x
    x = 55,413,892,654,977,552/237,146,519.40
  6. Step 6: Final answer
    x = 233,669,432.70

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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.