Home / 143,880,510.60-215,572,760.10-67,045,951.80

Finding the Fourth Proportional to 143,880,510.60, 215,572,760.10 and 67,045,951.80

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Solution

The fourth proportional to 143,880,510.60, 215,572,760.10 and 67,045,951.80 is: 100,453,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,880,510.60 : 215,572,760.10 = 67,045,951.80 : x
  2. Step 2: Convert to fraction form
    143,880,510.60/215,572,760.10 = 67,045,951.80/x
  3. Step 3: Cross multiply
    143,880,510.60x = 215,572,760.10 × 67,045,951.80
  4. Step 4: Simplify right side
    143,880,510.60x = 14,453,280,883,057,562
  5. Step 5: Solve for x
    x = 14,453,280,883,057,562/143,880,510.60
  6. Step 6: Final answer
    x = 100,453,361.08

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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.