Home / 151,836,085.28-209,548,785.36-86,655,740.96

Finding the Fourth Proportional to 151,836,085.28, 209,548,785.36 and 86,655,740.96

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Solution

The fourth proportional to 151,836,085.28, 209,548,785.36 and 86,655,740.96 is: 119,593,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,836,085.28 : 209,548,785.36 = 86,655,740.96 : x
  2. Step 2: Convert to fraction form
    151,836,085.28/209,548,785.36 = 86,655,740.96/x
  3. Step 3: Cross multiply
    151,836,085.28x = 209,548,785.36 × 86,655,740.96
  4. Step 4: Simplify right side
    151,836,085.28x = 18,158,605,262,638,800
  5. Step 5: Solve for x
    x = 18,158,605,262,638,800/151,836,085.28
  6. Step 6: Final answer
    x = 119,593,476.28

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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.