Home / 163,120,258.08-225,105,943.50-88,781,351.40

Finding the Fourth Proportional to 163,120,258.08, 225,105,943.50 and 88,781,351.40

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Solution

The fourth proportional to 163,120,258.08, 225,105,943.50 and 88,781,351.40 is: 122,518,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,120,258.08 : 225,105,943.50 = 88,781,351.40 : x
  2. Step 2: Convert to fraction form
    163,120,258.08/225,105,943.50 = 88,781,351.40/x
  3. Step 3: Cross multiply
    163,120,258.08x = 225,105,943.50 × 88,781,351.40
  4. Step 4: Simplify right side
    163,120,258.08x = 19,985,209,872,102,048
  5. Step 5: Solve for x
    x = 19,985,209,872,102,048/163,120,258.08
  6. Step 6: Final answer
    x = 122,518,258.05

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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.