Home / 104,061,412.80-143,373,502.85-68,716,452.87

Finding the Fourth Proportional to 104,061,412.80, 143,373,502.85 and 68,716,452.87

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Solution

The fourth proportional to 104,061,412.80, 143,373,502.85 and 68,716,452.87 is: 94,676,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,061,412.80 : 143,373,502.85 = 68,716,452.87 : x
  2. Step 2: Convert to fraction form
    104,061,412.80/143,373,502.85 = 68,716,452.87/x
  3. Step 3: Cross multiply
    104,061,412.80x = 143,373,502.85 × 68,716,452.87
  4. Step 4: Simplify right side
    104,061,412.80x = 9,852,118,551,055,254
  5. Step 5: Solve for x
    x = 9,852,118,551,055,254/104,061,412.80
  6. Step 6: Final answer
    x = 94,676,002.24

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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.