Home / 159,567,339.40-239,351,009.10-139,411,947.40

Finding the Fourth Proportional to 159,567,339.40, 239,351,009.10 and 139,411,947.40

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Solution

The fourth proportional to 159,567,339.40, 239,351,009.10 and 139,411,947.40 is: 209,117,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,567,339.40 : 239,351,009.10 = 139,411,947.40 : x
  2. Step 2: Convert to fraction form
    159,567,339.40/239,351,009.10 = 139,411,947.40/x
  3. Step 3: Cross multiply
    159,567,339.40x = 239,351,009.10 × 139,411,947.40
  4. Step 4: Simplify right side
    159,567,339.40x = 33,368,390,290,786,120
  5. Step 5: Solve for x
    x = 33,368,390,290,786,120/159,567,339.40
  6. Step 6: Final answer
    x = 209,117,921.10

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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.