Home / 163,120,122.65-225,105,756.73-88,781,216.24

Finding the Fourth Proportional to 163,120,122.65, 225,105,756.73 and 88,781,216.24

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Solution

The fourth proportional to 163,120,122.65, 225,105,756.73 and 88,781,216.24 is: 122,518,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,120,122.65 : 225,105,756.73 = 88,781,216.24 : x
  2. Step 2: Convert to fraction form
    163,120,122.65/225,105,756.73 = 88,781,216.24/x
  3. Step 3: Cross multiply
    163,120,122.65x = 225,105,756.73 × 88,781,216.24
  4. Step 4: Simplify right side
    163,120,122.65x = 19,985,162,863,767,484
  5. Step 5: Solve for x
    x = 19,985,162,863,767,484/163,120,122.65
  6. Step 6: Final answer
    x = 122,518,071.59

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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.