Home / 168,402,001.70-252,603,002.55-159,048,640.10

Finding the Fourth Proportional to 168,402,001.70, 252,603,002.55 and 159,048,640.10

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Solution

The fourth proportional to 168,402,001.70, 252,603,002.55 and 159,048,640.10 is: 238,572,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402,001.70 : 252,603,002.55 = 159,048,640.10 : x
  2. Step 2: Convert to fraction form
    168,402,001.70/252,603,002.55 = 159,048,640.10/x
  3. Step 3: Cross multiply
    168,402,001.70x = 252,603,002.55 × 159,048,640.10
  4. Step 4: Simplify right side
    168,402,001.70x = 40,176,164,040,754,336
  5. Step 5: Solve for x
    x = 40,176,164,040,754,336/168,402,001.70
  6. Step 6: Final answer
    x = 238,572,960.15

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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.