Home / 195,572,389.60-293,358,638.76-72,734,657.32

Finding the Fourth Proportional to 195,572,389.60, 293,358,638.76 and 72,734,657.32

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Solution

The fourth proportional to 195,572,389.60, 293,358,638.76 and 72,734,657.32 is: 109,102,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,572,389.60 : 293,358,638.76 = 72,734,657.32 : x
  2. Step 2: Convert to fraction form
    195,572,389.60/293,358,638.76 = 72,734,657.32/x
  3. Step 3: Cross multiply
    195,572,389.60x = 293,358,638.76 × 72,734,657.32
  4. Step 4: Simplify right side
    195,572,389.60x = 21,337,340,062,070,268
  5. Step 5: Solve for x
    x = 21,337,340,062,070,268/195,572,389.60
  6. Step 6: Final answer
    x = 109,102,006.20

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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.