Home / 195,516,471.60-293,588,051.40-155,460,049.20

Finding the Fourth Proportional to 195,516,471.60, 293,588,051.40 and 155,460,049.20

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Solution

The fourth proportional to 195,516,471.60, 293,588,051.40 and 155,460,049.20 is: 233,439,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,516,471.60 : 293,588,051.40 = 155,460,049.20 : x
  2. Step 2: Convert to fraction form
    195,516,471.60/293,588,051.40 = 155,460,049.20/x
  3. Step 3: Cross multiply
    195,516,471.60x = 293,588,051.40 × 155,460,049.20
  4. Step 4: Simplify right side
    195,516,471.60x = 45,641,212,915,176,120
  5. Step 5: Solve for x
    x = 45,641,212,915,176,120/195,516,471.60
  6. Step 6: Final answer
    x = 233,439,221.47

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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.