Home / 159,460,400.40-239,190,600.60-86,712,032.40

Finding the Fourth Proportional to 159,460,400.40, 239,190,600.60 and 86,712,032.40

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Solution

The fourth proportional to 159,460,400.40, 239,190,600.60 and 86,712,032.40 is: 130,068,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,460,400.40 : 239,190,600.60 = 86,712,032.40 : x
  2. Step 2: Convert to fraction form
    159,460,400.40/239,190,600.60 = 86,712,032.40/x
  3. Step 3: Cross multiply
    159,460,400.40x = 239,190,600.60 × 86,712,032.40
  4. Step 4: Simplify right side
    159,460,400.40x = 20,740,703,109,002,660
  5. Step 5: Solve for x
    x = 20,740,703,109,002,660/159,460,400.40
  6. Step 6: Final answer
    x = 130,068,048.60

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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.