Home / 148,209,349.71-204,461,834.74-89,453,232.75

Finding the Fourth Proportional to 148,209,349.71, 204,461,834.74 and 89,453,232.75

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Solution

The fourth proportional to 148,209,349.71, 204,461,834.74 and 89,453,232.75 is: 123,404,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,209,349.71 : 204,461,834.74 = 89,453,232.75 : x
  2. Step 2: Convert to fraction form
    148,209,349.71/204,461,834.74 = 89,453,232.75/x
  3. Step 3: Cross multiply
    148,209,349.71x = 204,461,834.74 × 89,453,232.75
  4. Step 4: Simplify right side
    148,209,349.71x = 18,289,772,090,498,892
  5. Step 5: Solve for x
    x = 18,289,772,090,498,892/148,209,349.71
  6. Step 6: Final answer
    x = 123,404,981.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.