Home / 260,017,445.80-390,026,168.70-87,436,901.80

Finding the Fourth Proportional to 260,017,445.80, 390,026,168.70 and 87,436,901.80

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Solution

The fourth proportional to 260,017,445.80, 390,026,168.70 and 87,436,901.80 is: 131,155,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,017,445.80 : 390,026,168.70 = 87,436,901.80 : x
  2. Step 2: Convert to fraction form
    260,017,445.80/390,026,168.70 = 87,436,901.80/x
  3. Step 3: Cross multiply
    260,017,445.80x = 390,026,168.70 × 87,436,901.80
  4. Step 4: Simplify right side
    260,017,445.80x = 34,102,679,812,052,132
  5. Step 5: Solve for x
    x = 34,102,679,812,052,132/260,017,445.80
  6. Step 6: Final answer
    x = 131,155,352.70

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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.