Home / 189,407,225.17-284,123,668.16-66,570,608.53

Finding the Fourth Proportional to 189,407,225.17, 284,123,668.16 and 66,570,608.53

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Solution

The fourth proportional to 189,407,225.17, 284,123,668.16 and 66,570,608.53 is: 99,860,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,407,225.17 : 284,123,668.16 = 66,570,608.53 : x
  2. Step 2: Convert to fraction form
    189,407,225.17/284,123,668.16 = 66,570,608.53/x
  3. Step 3: Cross multiply
    189,407,225.17x = 284,123,668.16 × 66,570,608.53
  4. Step 4: Simplify right side
    189,407,225.17x = 18,914,285,487,186,988
  5. Step 5: Solve for x
    x = 18,914,285,487,186,988/189,407,225.17
  6. Step 6: Final answer
    x = 99,860,422.27

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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.