Home / 115,725,659.40-173,336,546.70-70,208,065.80

Finding the Fourth Proportional to 115,725,659.40, 173,336,546.70 and 70,208,065.80

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Solution

The fourth proportional to 115,725,659.40, 173,336,546.70 and 70,208,065.80 is: 105,159,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725,659.40 : 173,336,546.70 = 70,208,065.80 : x
  2. Step 2: Convert to fraction form
    115,725,659.40/173,336,546.70 = 70,208,065.80/x
  3. Step 3: Cross multiply
    115,725,659.40x = 173,336,546.70 × 70,208,065.80
  4. Step 4: Simplify right side
    115,725,659.40x = 12,169,623,676,258,372
  5. Step 5: Solve for x
    x = 12,169,623,676,258,372/115,725,659.40
  6. Step 6: Final answer
    x = 105,159,251.11

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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.