Home / 159,716,225.70-239,409,001.35-86,778,900.90

Finding the Fourth Proportional to 159,716,225.70, 239,409,001.35 and 86,778,900.90

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Solution

The fourth proportional to 159,716,225.70, 239,409,001.35 and 86,778,900.90 is: 130,078,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716,225.70 : 239,409,001.35 = 86,778,900.90 : x
  2. Step 2: Convert to fraction form
    159,716,225.70/239,409,001.35 = 86,778,900.90/x
  3. Step 3: Cross multiply
    159,716,225.70x = 239,409,001.35 × 86,778,900.90
  4. Step 4: Simplify right side
    159,716,225.70x = 20,775,650,002,719,616
  5. Step 5: Solve for x
    x = 20,775,650,002,719,616/159,716,225.70
  6. Step 6: Final answer
    x = 130,078,518.40

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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.