Home / 163,119,695.22-225,107,019.51-88,780,731.69

Finding the Fourth Proportional to 163,119,695.22, 225,107,019.51 and 88,780,731.69

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Solution

The fourth proportional to 163,119,695.22, 225,107,019.51 and 88,780,731.69 is: 122,518,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,119,695.22 : 225,107,019.51 = 88,780,731.69 : x
  2. Step 2: Convert to fraction form
    163,119,695.22/225,107,019.51 = 88,780,731.69/x
  3. Step 3: Cross multiply
    163,119,695.22x = 225,107,019.51 × 88,780,731.69
  4. Step 4: Simplify right side
    163,119,695.22x = 19,985,165,900,652,904
  5. Step 5: Solve for x
    x = 19,985,165,900,652,904/163,119,695.22
  6. Step 6: Final answer
    x = 122,518,411.24

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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.