Home / 284,442,641.10-392,562,700.56-160,691,289.84

Finding the Fourth Proportional to 284,442,641.10, 392,562,700.56 and 160,691,289.84

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Solution

The fourth proportional to 284,442,641.10, 392,562,700.56 and 160,691,289.84 is: 221,771,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,442,641.10 : 392,562,700.56 = 160,691,289.84 : x
  2. Step 2: Convert to fraction form
    284,442,641.10/392,562,700.56 = 160,691,289.84/x
  3. Step 3: Cross multiply
    284,442,641.10x = 392,562,700.56 × 160,691,289.84
  4. Step 4: Simplify right side
    284,442,641.10x = 63,081,406,696,060,096
  5. Step 5: Solve for x
    x = 63,081,406,696,060,096/284,442,641.10
  6. Step 6: Final answer
    x = 221,771,976.42

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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.