Home / 162,158,402.40-223,775,829.60-87,818,359.20

Finding the Fourth Proportional to 162,158,402.40, 223,775,829.60 and 87,818,359.20

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Solution

The fourth proportional to 162,158,402.40, 223,775,829.60 and 87,818,359.20 is: 121,187,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,158,402.40 : 223,775,829.60 = 87,818,359.20 : x
  2. Step 2: Convert to fraction form
    162,158,402.40/223,775,829.60 = 87,818,359.20/x
  3. Step 3: Cross multiply
    162,158,402.40x = 223,775,829.60 × 87,818,359.20
  4. Step 4: Simplify right side
    162,158,402.40x = 19,651,626,184,090,792
  5. Step 5: Solve for x
    x = 19,651,626,184,090,792/162,158,402.40
  6. Step 6: Final answer
    x = 121,187,837.90

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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.