Home / 119,105,999.10-178,658,998.65-42,431,528.70

Finding the Fourth Proportional to 119,105,999.10, 178,658,998.65 and 42,431,528.70

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Solution

The fourth proportional to 119,105,999.10, 178,658,998.65 and 42,431,528.70 is: 63,647,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105,999.10 : 178,658,998.65 = 42,431,528.70 : x
  2. Step 2: Convert to fraction form
    119,105,999.10/178,658,998.65 = 42,431,528.70/x
  3. Step 3: Cross multiply
    119,105,999.10x = 178,658,998.65 × 42,431,528.70
  4. Step 4: Simplify right side
    119,105,999.10x = 7,580,774,428,730,737
  5. Step 5: Solve for x
    x = 7,580,774,428,730,737/119,105,999.10
  6. Step 6: Final answer
    x = 63,647,293.05

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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.