Home / 178,767,358.80-268,151,038.20-97,138,021.20

Finding the Fourth Proportional to 178,767,358.80, 268,151,038.20 and 97,138,021.20

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Solution

The fourth proportional to 178,767,358.80, 268,151,038.20 and 97,138,021.20 is: 145,707,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,767,358.80 : 268,151,038.20 = 97,138,021.20 : x
  2. Step 2: Convert to fraction form
    178,767,358.80/268,151,038.20 = 97,138,021.20/x
  3. Step 3: Cross multiply
    178,767,358.80x = 268,151,038.20 × 97,138,021.20
  4. Step 4: Simplify right side
    178,767,358.80x = 26,047,661,233,473,608
  5. Step 5: Solve for x
    x = 26,047,661,233,473,608/178,767,358.80
  6. Step 6: Final answer
    x = 145,707,031.80

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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.