Home / 77,037,838.28-115,484,421.20-25,884,083.24

Finding the Fourth Proportional to 77,037,838.28, 115,484,421.20 and 25,884,083.24

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Solution

The fourth proportional to 77,037,838.28, 115,484,421.20 and 25,884,083.24 is: 38,801,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037,838.28 : 115,484,421.20 = 25,884,083.24 : x
  2. Step 2: Convert to fraction form
    77,037,838.28/115,484,421.20 = 25,884,083.24/x
  3. Step 3: Cross multiply
    77,037,838.28x = 115,484,421.20 × 25,884,083.24
  4. Step 4: Simplify right side
    77,037,838.28x = 2,989,208,371,264,020.50
  5. Step 5: Solve for x
    x = 2,989,208,371,264,020.50/77,037,838.28
  6. Step 6: Final answer
    x = 38,801,820.48

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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.