Home / 77,037,834.29-115,484,415.20-25,884,079.25

Finding the Fourth Proportional to 77,037,834.29, 115,484,415.20 and 25,884,079.25

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Solution

The fourth proportional to 77,037,834.29, 115,484,415.20 and 25,884,079.25 is: 38,801,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037,834.29 : 115,484,415.20 = 25,884,079.25 : x
  2. Step 2: Convert to fraction form
    77,037,834.29/115,484,415.20 = 25,884,079.25/x
  3. Step 3: Cross multiply
    77,037,834.29x = 115,484,415.20 × 25,884,079.25
  4. Step 4: Simplify right side
    77,037,834.29x = 2,989,207,755,335,995
  5. Step 5: Solve for x
    x = 2,989,207,755,335,995/77,037,834.29
  6. Step 6: Final answer
    x = 38,801,814.50

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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.