Home / 156,108,547.35-234,162,198.14-69,786,419.47

Finding the Fourth Proportional to 156,108,547.35, 234,162,198.14 and 69,786,419.47

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Solution

The fourth proportional to 156,108,547.35, 234,162,198.14 and 69,786,419.47 is: 104,679,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,108,547.35 : 234,162,198.14 = 69,786,419.47 : x
  2. Step 2: Convert to fraction form
    156,108,547.35/234,162,198.14 = 69,786,419.47/x
  3. Step 3: Cross multiply
    156,108,547.35x = 234,162,198.14 × 69,786,419.47
  4. Step 4: Simplify right side
    156,108,547.35x = 16,341,341,382,480,956
  5. Step 5: Solve for x
    x = 16,341,341,382,480,956/156,108,547.35
  6. Step 6: Final answer
    x = 104,679,350.75

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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.