Home / 105,489,901.10-158,234,851.65-103,600,333.10

Finding the Fourth Proportional to 105,489,901.10, 158,234,851.65 and 103,600,333.10

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Solution

The fourth proportional to 105,489,901.10, 158,234,851.65 and 103,600,333.10 is: 155,400,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,901.10 : 158,234,851.65 = 103,600,333.10 : x
  2. Step 2: Convert to fraction form
    105,489,901.10/158,234,851.65 = 103,600,333.10/x
  3. Step 3: Cross multiply
    105,489,901.10x = 158,234,851.65 × 103,600,333.10
  4. Step 4: Simplify right side
    105,489,901.10x = 16,393,183,338,969,084
  5. Step 5: Solve for x
    x = 16,393,183,338,969,084/105,489,901.10
  6. Step 6: Final answer
    x = 155,400,499.65

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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.