Home / 160,308,156.20-221,225,684.36-86,969,298.20

Finding the Fourth Proportional to 160,308,156.20, 221,225,684.36 and 86,969,298.20

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Solution

The fourth proportional to 160,308,156.20, 221,225,684.36 and 86,969,298.20 is: 120,017,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,156.20 : 221,225,684.36 = 86,969,298.20 : x
  2. Step 2: Convert to fraction form
    160,308,156.20/221,225,684.36 = 86,969,298.20/x
  3. Step 3: Cross multiply
    160,308,156.20x = 221,225,684.36 × 86,969,298.20
  4. Step 4: Simplify right side
    160,308,156.20x = 19,239,842,512,603,920
  5. Step 5: Solve for x
    x = 19,239,842,512,603,920/160,308,156.20
  6. Step 6: Final answer
    x = 120,017,864.15

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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.