Home / 228,655,989.05-342,810,423.25-117,872,279.33

Finding the Fourth Proportional to 228,655,989.05, 342,810,423.25 and 117,872,279.33

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Solution

The fourth proportional to 228,655,989.05, 342,810,423.25 and 117,872,279.33 is: 176,718,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,655,989.05 : 342,810,423.25 = 117,872,279.33 : x
  2. Step 2: Convert to fraction form
    228,655,989.05/342,810,423.25 = 117,872,279.33/x
  3. Step 3: Cross multiply
    228,655,989.05x = 342,810,423.25 × 117,872,279.33
  4. Step 4: Simplify right side
    228,655,989.05x = 40,407,845,964,550,792
  5. Step 5: Solve for x
    x = 40,407,845,964,550,792/228,655,989.05
  6. Step 6: Final answer
    x = 176,718,948.55

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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.