Home / 121,259,228.91-167,337,570.70-69,048,264.43

Finding the Fourth Proportional to 121,259,228.91, 167,337,570.70 and 69,048,264.43

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Solution

The fourth proportional to 121,259,228.91, 167,337,570.70 and 69,048,264.43 is: 95,286,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,259,228.91 : 167,337,570.70 = 69,048,264.43 : x
  2. Step 2: Convert to fraction form
    121,259,228.91/167,337,570.70 = 69,048,264.43/x
  3. Step 3: Cross multiply
    121,259,228.91x = 167,337,570.70 × 69,048,264.43
  4. Step 4: Simplify right side
    121,259,228.91x = 11,554,368,830,767,420
  5. Step 5: Solve for x
    x = 11,554,368,830,767,420/121,259,228.91
  6. Step 6: Final answer
    x = 95,286,510.85

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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.