Home / 128,736,210.60-192,955,016.70-52,008,863.40

Finding the Fourth Proportional to 128,736,210.60, 192,955,016.70 and 52,008,863.40

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Solution

The fourth proportional to 128,736,210.60, 192,955,016.70 and 52,008,863.40 is: 77,952,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,210.60 : 192,955,016.70 = 52,008,863.40 : x
  2. Step 2: Convert to fraction form
    128,736,210.60/192,955,016.70 = 52,008,863.40/x
  3. Step 3: Cross multiply
    128,736,210.60x = 192,955,016.70 × 52,008,863.40
  4. Step 4: Simplify right side
    128,736,210.60x = 10,035,371,105,895,018
  5. Step 5: Solve for x
    x = 10,035,371,105,895,018/128,736,210.60
  6. Step 6: Final answer
    x = 77,952,978.88

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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.