Home / 187,218,348.60-258,359,915.88-104,712,133.32

Finding the Fourth Proportional to 187,218,348.60, 258,359,915.88 and 104,712,133.32

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Solution

The fourth proportional to 187,218,348.60, 258,359,915.88 and 104,712,133.32 is: 144,501,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,218,348.60 : 258,359,915.88 = 104,712,133.32 : x
  2. Step 2: Convert to fraction form
    187,218,348.60/258,359,915.88 = 104,712,133.32/x
  3. Step 3: Cross multiply
    187,218,348.60x = 258,359,915.88 × 104,712,133.32
  4. Step 4: Simplify right side
    187,218,348.60x = 27,053,417,956,170,544
  5. Step 5: Solve for x
    x = 27,053,417,956,170,544/187,218,348.60
  6. Step 6: Final answer
    x = 144,501,958.05

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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.