Home / 127,799,176.40-191,819,033.40-67,258,350.80

Finding the Fourth Proportional to 127,799,176.40, 191,819,033.40 and 67,258,350.80

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Solution

The fourth proportional to 127,799,176.40, 191,819,033.40 and 67,258,350.80 is: 100,950,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,799,176.40 : 191,819,033.40 = 67,258,350.80 : x
  2. Step 2: Convert to fraction form
    127,799,176.40/191,819,033.40 = 67,258,350.80/x
  3. Step 3: Cross multiply
    127,799,176.40x = 191,819,033.40 × 67,258,350.80
  4. Step 4: Simplify right side
    127,799,176.40x = 12,901,431,838,534,116
  5. Step 5: Solve for x
    x = 12,901,431,838,534,116/127,799,176.40
  6. Step 6: Final answer
    x = 100,950,821.45

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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.