Home / 285,264,816.31-427,828,355.29-119,178,580.15

Finding the Fourth Proportional to 285,264,816.31, 427,828,355.29 and 119,178,580.15

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Solution

The fourth proportional to 285,264,816.31, 427,828,355.29 and 119,178,580.15 is: 178,739,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,264,816.31 : 427,828,355.29 = 119,178,580.15 : x
  2. Step 2: Convert to fraction form
    285,264,816.31/427,828,355.29 = 119,178,580.15/x
  3. Step 3: Cross multiply
    285,264,816.31x = 427,828,355.29 × 119,178,580.15
  4. Step 4: Simplify right side
    285,264,816.31x = 50,987,975,931,371,944
  5. Step 5: Solve for x
    x = 50,987,975,931,371,944/285,264,816.31
  6. Step 6: Final answer
    x = 178,739,097.91

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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.