Home / 105,989,761.60-158,984,642.40-57,490,849.60

Finding the Fourth Proportional to 105,989,761.60, 158,984,642.40 and 57,490,849.60

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Solution

The fourth proportional to 105,989,761.60, 158,984,642.40 and 57,490,849.60 is: 86,236,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,761.60 : 158,984,642.40 = 57,490,849.60 : x
  2. Step 2: Convert to fraction form
    105,989,761.60/158,984,642.40 = 57,490,849.60/x
  3. Step 3: Cross multiply
    105,989,761.60x = 158,984,642.40 × 57,490,849.60
  4. Step 4: Simplify right side
    105,989,761.60x = 9,140,162,164,928,184
  5. Step 5: Solve for x
    x = 9,140,162,164,928,184/105,989,761.60
  6. Step 6: Final answer
    x = 86,236,274.40

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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.