Home / 279,406,945.04-385,564,210.85-153,952,120.38

Finding the Fourth Proportional to 279,406,945.04, 385,564,210.85 and 153,952,120.38

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Solution

The fourth proportional to 279,406,945.04, 385,564,210.85 and 153,952,120.38 is: 212,444,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,406,945.04 : 385,564,210.85 = 153,952,120.38 : x
  2. Step 2: Convert to fraction form
    279,406,945.04/385,564,210.85 = 153,952,120.38/x
  3. Step 3: Cross multiply
    279,406,945.04x = 385,564,210.85 × 153,952,120.38
  4. Step 4: Simplify right side
    279,406,945.04x = 59,358,427,800,864,112
  5. Step 5: Solve for x
    x = 59,358,427,800,864,112/279,406,945.04
  6. Step 6: Final answer
    x = 212,444,353.49

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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.