Home / 130,248,722.23-195,331,601.08-42,789,938.29

Finding the Fourth Proportional to 130,248,722.23, 195,331,601.08 and 42,789,938.29

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Solution

The fourth proportional to 130,248,722.23, 195,331,601.08 and 42,789,938.29 is: 64,171,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248,722.23 : 195,331,601.08 = 42,789,938.29 : x
  2. Step 2: Convert to fraction form
    130,248,722.23/195,331,601.08 = 42,789,938.29/x
  3. Step 3: Cross multiply
    130,248,722.23x = 195,331,601.08 × 42,789,938.29
  4. Step 4: Simplify right side
    130,248,722.23x = 8,358,227,155,865,257
  5. Step 5: Solve for x
    x = 8,358,227,155,865,257/130,248,722.23
  6. Step 6: Final answer
    x = 64,171,279.48

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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.