Home / 160,390,695.16-221,301,222.28-90,776,073.96

Finding the Fourth Proportional to 160,390,695.16, 221,301,222.28 and 90,776,073.96

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Solution

The fourth proportional to 160,390,695.16, 221,301,222.28 and 90,776,073.96 is: 125,249,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,390,695.16 : 221,301,222.28 = 90,776,073.96 : x
  2. Step 2: Convert to fraction form
    160,390,695.16/221,301,222.28 = 90,776,073.96/x
  3. Step 3: Cross multiply
    160,390,695.16x = 221,301,222.28 × 90,776,073.96
  4. Step 4: Simplify right side
    160,390,695.16x = 20,088,856,121,127,680
  5. Step 5: Solve for x
    x = 20,088,856,121,127,680/160,390,695.16
  6. Step 6: Final answer
    x = 125,249,510.90

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1.5x scale

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.