Home / 220,062,938.40-330,094,407.60-155,492,856.90

Finding the Fourth Proportional to 220,062,938.40, 330,094,407.60 and 155,492,856.90

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Solution

The fourth proportional to 220,062,938.40, 330,094,407.60 and 155,492,856.90 is: 233,239,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,062,938.40 : 330,094,407.60 = 155,492,856.90 : x
  2. Step 2: Convert to fraction form
    220,062,938.40/330,094,407.60 = 155,492,856.90/x
  3. Step 3: Cross multiply
    220,062,938.40x = 330,094,407.60 × 155,492,856.90
  4. Step 4: Simplify right side
    220,062,938.40x = 51,327,322,484,437,080
  5. Step 5: Solve for x
    x = 51,327,322,484,437,080/220,062,938.40
  6. Step 6: Final answer
    x = 233,239,285.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.