Home / 105,948,278.40-158,922,417.60-54,292,213.20

Finding the Fourth Proportional to 105,948,278.40, 158,922,417.60 and 54,292,213.20

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Solution

The fourth proportional to 105,948,278.40, 158,922,417.60 and 54,292,213.20 is: 81,438,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,948,278.40 : 158,922,417.60 = 54,292,213.20 : x
  2. Step 2: Convert to fraction form
    105,948,278.40/158,922,417.60 = 54,292,213.20/x
  3. Step 3: Cross multiply
    105,948,278.40x = 158,922,417.60 × 54,292,213.20
  4. Step 4: Simplify right side
    105,948,278.40x = 8,628,249,778,598,632
  5. Step 5: Solve for x
    x = 8,628,249,778,598,632/105,948,278.40
  6. Step 6: Final answer
    x = 81,438,319.80

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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.