Home / 237,146,539.40-355,719,809.10-155,779,641.80

Finding the Fourth Proportional to 237,146,539.40, 355,719,809.10 and 155,779,641.80

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Solution

The fourth proportional to 237,146,539.40, 355,719,809.10 and 155,779,641.80 is: 233,669,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,146,539.40 : 355,719,809.10 = 155,779,641.80 : x
  2. Step 2: Convert to fraction form
    237,146,539.40/355,719,809.10 = 155,779,641.80/x
  3. Step 3: Cross multiply
    237,146,539.40x = 355,719,809.10 × 155,779,641.80
  4. Step 4: Simplify right side
    237,146,539.40x = 55,413,904,442,762,392
  5. Step 5: Solve for x
    x = 55,413,904,442,762,392/237,146,539.40
  6. Step 6: Final answer
    x = 233,669,462.70

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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.