Home / 268,789,492.80-370,930,113.36-149,711,132.16

Finding the Fourth Proportional to 268,789,492.80, 370,930,113.36 and 149,711,132.16

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Solution

The fourth proportional to 268,789,492.80, 370,930,113.36 and 149,711,132.16 is: 206,601,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,789,492.80 : 370,930,113.36 = 149,711,132.16 : x
  2. Step 2: Convert to fraction form
    268,789,492.80/370,930,113.36 = 149,711,132.16/x
  3. Step 3: Cross multiply
    268,789,492.80x = 370,930,113.36 × 149,711,132.16
  4. Step 4: Simplify right side
    268,789,492.80x = 55,532,367,223,362,744
  5. Step 5: Solve for x
    x = 55,532,367,223,362,744/268,789,492.80
  6. Step 6: Final answer
    x = 206,601,703.98

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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.