Home / 189,923,807.20-284,885,710.80-159,312,805.60

Finding the Fourth Proportional to 189,923,807.20, 284,885,710.80 and 159,312,805.60

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Solution

The fourth proportional to 189,923,807.20, 284,885,710.80 and 159,312,805.60 is: 238,969,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923,807.20 : 284,885,710.80 = 159,312,805.60 : x
  2. Step 2: Convert to fraction form
    189,923,807.20/284,885,710.80 = 159,312,805.60/x
  3. Step 3: Cross multiply
    189,923,807.20x = 284,885,710.80 × 159,312,805.60
  4. Step 4: Simplify right side
    189,923,807.20x = 45,385,941,862,898,224
  5. Step 5: Solve for x
    x = 45,385,941,862,898,224/189,923,807.20
  6. Step 6: Final answer
    x = 238,969,208.40

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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.