Home / 157,043,726.24-216,716,108.10-87,429,113.24

Finding the Fourth Proportional to 157,043,726.24, 216,716,108.10 and 87,429,113.24

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Solution

The fourth proportional to 157,043,726.24, 216,716,108.10 and 87,429,113.24 is: 120,649,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,043,726.24 : 216,716,108.10 = 87,429,113.24 : x
  2. Step 2: Convert to fraction form
    157,043,726.24/216,716,108.10 = 87,429,113.24/x
  3. Step 3: Cross multiply
    157,043,726.24x = 216,716,108.10 × 87,429,113.24
  4. Step 4: Simplify right side
    157,043,726.24x = 18,947,297,156,006,980
  5. Step 5: Solve for x
    x = 18,947,297,156,006,980/157,043,726.24
  6. Step 6: Final answer
    x = 120,649,819.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.