Home / 402,178,389.60-603,566,182.80-160,015,087.20

Finding the Fourth Proportional to 402,178,389.60, 603,566,182.80 and 160,015,087.20

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Solution

The fourth proportional to 402,178,389.60, 603,566,182.80 and 160,015,087.20 is: 240,141,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,178,389.60 : 603,566,182.80 = 160,015,087.20 : x
  2. Step 2: Convert to fraction form
    402,178,389.60/603,566,182.80 = 160,015,087.20/x
  3. Step 3: Cross multiply
    402,178,389.60x = 603,566,182.80 × 160,015,087.20
  4. Step 4: Simplify right side
    402,178,389.60x = 96,579,695,371,713,120
  5. Step 5: Solve for x
    x = 96,579,695,371,713,120/402,178,389.60
  6. Step 6: Final answer
    x = 240,141,434.42

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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.