Home / 88,878,255.51-122,652,172.65-49,720,686.18

Finding the Fourth Proportional to 88,878,255.51, 122,652,172.65 and 49,720,686.18

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Solution

The fourth proportional to 88,878,255.51, 122,652,172.65 and 49,720,686.18 is: 68,614,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878,255.51 : 122,652,172.65 = 49,720,686.18 : x
  2. Step 2: Convert to fraction form
    88,878,255.51/122,652,172.65 = 49,720,686.18/x
  3. Step 3: Cross multiply
    88,878,255.51x = 122,652,172.65 × 49,720,686.18
  4. Step 4: Simplify right side
    88,878,255.51x = 6,098,350,186,042,254
  5. Step 5: Solve for x
    x = 6,098,350,186,042,254/88,878,255.51
  6. Step 6: Final answer
    x = 68,614,647.65

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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.