Home / 159,445,409.92-220,034,663.90-86,106,551.92

Finding the Fourth Proportional to 159,445,409.92, 220,034,663.90 and 86,106,551.92

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Solution

The fourth proportional to 159,445,409.92, 220,034,663.90 and 86,106,551.92 is: 118,827,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,445,409.92 : 220,034,663.90 = 86,106,551.92 : x
  2. Step 2: Convert to fraction form
    159,445,409.92/220,034,663.90 = 86,106,551.92/x
  3. Step 3: Cross multiply
    159,445,409.92x = 220,034,663.90 × 86,106,551.92
  4. Step 4: Simplify right side
    159,445,409.92x = 18,946,426,211,305,100
  5. Step 5: Solve for x
    x = 18,946,426,211,305,100/159,445,409.92
  6. Step 6: Final answer
    x = 118,827,040.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.