Home / 148,962,717.18-205,565,326.05-86,241,459.78

Finding the Fourth Proportional to 148,962,717.18, 205,565,326.05 and 86,241,459.78

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Solution

The fourth proportional to 148,962,717.18, 205,565,326.05 and 86,241,459.78 is: 119,011,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,962,717.18 : 205,565,326.05 = 86,241,459.78 : x
  2. Step 2: Convert to fraction form
    148,962,717.18/205,565,326.05 = 86,241,459.78/x
  3. Step 3: Cross multiply
    148,962,717.18x = 205,565,326.05 × 86,241,459.78
  4. Step 4: Simplify right side
    148,962,717.18x = 17,728,253,798,703,662
  5. Step 5: Solve for x
    x = 17,728,253,798,703,662/148,962,717.18
  6. Step 6: Final answer
    x = 119,011,348.17

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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.