Home / 105,989,719.10-158,984,578.65-57,490,807.10

Finding the Fourth Proportional to 105,989,719.10, 158,984,578.65 and 57,490,807.10

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Solution

The fourth proportional to 105,989,719.10, 158,984,578.65 and 57,490,807.10 is: 86,236,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,719.10 : 158,984,578.65 = 57,490,807.10 : x
  2. Step 2: Convert to fraction form
    105,989,719.10/158,984,578.65 = 57,490,807.10/x
  3. Step 3: Cross multiply
    105,989,719.10x = 158,984,578.65 × 57,490,807.10
  4. Step 4: Simplify right side
    105,989,719.10x = 9,140,151,743,041,928
  5. Step 5: Solve for x
    x = 9,140,151,743,041,928/105,989,719.10
  6. Step 6: Final answer
    x = 86,236,210.65

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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.