Home / 193,536,472.40-290,304,708.60-65,885,656.40

Finding the Fourth Proportional to 193,536,472.40, 290,304,708.60 and 65,885,656.40

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Solution

The fourth proportional to 193,536,472.40, 290,304,708.60 and 65,885,656.40 is: 98,828,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,472.40 : 290,304,708.60 = 65,885,656.40 : x
  2. Step 2: Convert to fraction form
    193,536,472.40/290,304,708.60 = 65,885,656.40/x
  3. Step 3: Cross multiply
    193,536,472.40x = 290,304,708.60 × 65,885,656.40
  4. Step 4: Simplify right side
    193,536,472.40x = 19,126,916,282,121,728
  5. Step 5: Solve for x
    x = 19,126,916,282,121,728/193,536,472.40
  6. Step 6: Final answer
    x = 98,828,484.60

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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.