Home / 157,779,113.52-236,668,672.34-42,763,655.85

Finding the Fourth Proportional to 157,779,113.52, 236,668,672.34 and 42,763,655.85

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Solution

The fourth proportional to 157,779,113.52, 236,668,672.34 and 42,763,655.85 is: 64,145,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,779,113.52 : 236,668,672.34 = 42,763,655.85 : x
  2. Step 2: Convert to fraction form
    157,779,113.52/236,668,672.34 = 42,763,655.85/x
  3. Step 3: Cross multiply
    157,779,113.52x = 236,668,672.34 × 42,763,655.85
  4. Step 4: Simplify right side
    157,779,113.52x = 10,120,817,654,814,474
  5. Step 5: Solve for x
    x = 10,120,817,654,814,474/157,779,113.52
  6. Step 6: Final answer
    x = 64,145,484.33

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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.