Home / 106,554,353.76-147,045,006.72-57,661,781.76

Finding the Fourth Proportional to 106,554,353.76, 147,045,006.72 and 57,661,781.76

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Solution

The fourth proportional to 106,554,353.76, 147,045,006.72 and 57,661,781.76 is: 79,573,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554,353.76 : 147,045,006.72 = 57,661,781.76 : x
  2. Step 2: Convert to fraction form
    106,554,353.76/147,045,006.72 = 57,661,781.76/x
  3. Step 3: Cross multiply
    106,554,353.76x = 147,045,006.72 × 57,661,781.76
  4. Step 4: Simplify right side
    106,554,353.76x = 8,478,877,086,386,373
  5. Step 5: Solve for x
    x = 8,478,877,086,386,373/106,554,353.76
  6. Step 6: Final answer
    x = 79,573,258.03

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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.