Home / 160,308,164.24-221,225,695.40-86,969,306.24

Finding the Fourth Proportional to 160,308,164.24, 221,225,695.40 and 86,969,306.24

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Solution

The fourth proportional to 160,308,164.24, 221,225,695.40 and 86,969,306.24 is: 120,017,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,164.24 : 221,225,695.40 = 86,969,306.24 : x
  2. Step 2: Convert to fraction form
    160,308,164.24/221,225,695.40 = 86,969,306.24/x
  3. Step 3: Cross multiply
    160,308,164.24x = 221,225,695.40 × 86,969,306.24
  4. Step 4: Simplify right side
    160,308,164.24x = 19,239,845,251,399,560
  5. Step 5: Solve for x
    x = 19,239,845,251,399,560/160,308,164.24
  6. Step 6: Final answer
    x = 120,017,875.21

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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.