Home / 370,687,329.60-555,931,461.60-155,231,995.20

Finding the Fourth Proportional to 370,687,329.60, 555,931,461.60 and 155,231,995.20

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Solution

The fourth proportional to 370,687,329.60, 555,931,461.60 and 155,231,995.20 is: 232,806,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,687,329.60 : 555,931,461.60 = 155,231,995.20 : x
  2. Step 2: Convert to fraction form
    370,687,329.60/555,931,461.60 = 155,231,995.20/x
  3. Step 3: Cross multiply
    370,687,329.60x = 555,931,461.60 × 155,231,995.20
  4. Step 4: Simplify right side
    370,687,329.60x = 86,298,349,978,620,176
  5. Step 5: Solve for x
    x = 86,298,349,978,620,176/370,687,329.60
  6. Step 6: Final answer
    x = 232,806,311.65

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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.