Home / 121,101,281.70-181,651,922.55-99,577,921.20

Finding the Fourth Proportional to 121,101,281.70, 181,651,922.55 and 99,577,921.20

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Solution

The fourth proportional to 121,101,281.70, 181,651,922.55 and 99,577,921.20 is: 149,366,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,101,281.70 : 181,651,922.55 = 99,577,921.20 : x
  2. Step 2: Convert to fraction form
    121,101,281.70/181,651,922.55 = 99,577,921.20/x
  3. Step 3: Cross multiply
    121,101,281.70x = 181,651,922.55 × 99,577,921.20
  4. Step 4: Simplify right side
    121,101,281.70x = 18,088,520,829,512,404
  5. Step 5: Solve for x
    x = 18,088,520,829,512,404/121,101,281.70
  6. Step 6: Final answer
    x = 149,366,881.80

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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.