Home / 111,153,160.34-153,461,084.16-71,529,534.18

Finding the Fourth Proportional to 111,153,160.34, 153,461,084.16 and 71,529,534.18

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Solution

The fourth proportional to 111,153,160.34, 153,461,084.16 and 71,529,534.18 is: 98,755,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153,160.34 : 153,461,084.16 = 71,529,534.18 : x
  2. Step 2: Convert to fraction form
    111,153,160.34/153,461,084.16 = 71,529,534.18/x
  3. Step 3: Cross multiply
    111,153,160.34x = 153,461,084.16 × 71,529,534.18
  4. Step 4: Simplify right side
    111,153,160.34x = 10,976,999,864,722,578
  5. Step 5: Solve for x
    x = 10,976,999,864,722,578/111,153,160.34
  6. Step 6: Final answer
    x = 98,755,625.40

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1.5x scale

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.