Home / 260,017,427.80-390,026,141.70-87,436,883.80

Finding the Fourth Proportional to 260,017,427.80, 390,026,141.70 and 87,436,883.80

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Solution

The fourth proportional to 260,017,427.80, 390,026,141.70 and 87,436,883.80 is: 131,155,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,017,427.80 : 390,026,141.70 = 87,436,883.80 : x
  2. Step 2: Convert to fraction form
    260,017,427.80/390,026,141.70 = 87,436,883.80/x
  3. Step 3: Cross multiply
    260,017,427.80x = 390,026,141.70 × 87,436,883.80
  4. Step 4: Simplify right side
    260,017,427.80x = 34,102,670,430,785,232
  5. Step 5: Solve for x
    x = 34,102,670,430,785,232/260,017,427.80
  6. Step 6: Final answer
    x = 131,155,325.70

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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.