Home / 105,989,724.60-158,984,586.90-57,490,812.60

Finding the Fourth Proportional to 105,989,724.60, 158,984,586.90 and 57,490,812.60

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Solution

The fourth proportional to 105,989,724.60, 158,984,586.90 and 57,490,812.60 is: 86,236,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,724.60 : 158,984,586.90 = 57,490,812.60 : x
  2. Step 2: Convert to fraction form
    105,989,724.60/158,984,586.90 = 57,490,812.60/x
  3. Step 3: Cross multiply
    105,989,724.60x = 158,984,586.90 × 57,490,812.60
  4. Step 4: Simplify right side
    105,989,724.60x = 9,140,153,091,756,316
  5. Step 5: Solve for x
    x = 9,140,153,091,756,316/105,989,724.60
  6. Step 6: Final answer
    x = 86,236,218.90

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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.