Home / 143,948,259.86-215,748,910.85-66,117,763.13

Finding the Fourth Proportional to 143,948,259.86, 215,748,910.85 and 66,117,763.13

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Solution

The fourth proportional to 143,948,259.86, 215,748,910.85 and 66,117,763.13 is: 99,096,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948,259.86 : 215,748,910.85 = 66,117,763.13 : x
  2. Step 2: Convert to fraction form
    143,948,259.86/215,748,910.85 = 66,117,763.13/x
  3. Step 3: Cross multiply
    143,948,259.86x = 215,748,910.85 × 66,117,763.13
  4. Step 4: Simplify right side
    143,948,259.86x = 14,264,835,383,135,788
  5. Step 5: Solve for x
    x = 14,264,835,383,135,788/143,948,259.86
  6. Step 6: Final answer
    x = 99,096,963.01

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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.