Home / 247,086,079.48-341,009,030.19-142,663,975.57

Finding the Fourth Proportional to 247,086,079.48, 341,009,030.19 and 142,663,975.57

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Solution

The fourth proportional to 247,086,079.48, 341,009,030.19 and 142,663,975.57 is: 196,893,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,086,079.48 : 341,009,030.19 = 142,663,975.57 : x
  2. Step 2: Convert to fraction form
    247,086,079.48/341,009,030.19 = 142,663,975.57/x
  3. Step 3: Cross multiply
    247,086,079.48x = 341,009,030.19 × 142,663,975.57
  4. Step 4: Simplify right side
    247,086,079.48x = 48,649,703,952,175,552
  5. Step 5: Solve for x
    x = 48,649,703,952,175,552/247,086,079.48
  6. Step 6: Final answer
    x = 196,893,746.72

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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.