Home / 278,194,482.40-417,291,723.60-174,730,136.80

Finding the Fourth Proportional to 278,194,482.40, 417,291,723.60 and 174,730,136.80

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Solution

The fourth proportional to 278,194,482.40, 417,291,723.60 and 174,730,136.80 is: 262,095,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,194,482.40 : 417,291,723.60 = 174,730,136.80 : x
  2. Step 2: Convert to fraction form
    278,194,482.40/417,291,723.60 = 174,730,136.80/x
  3. Step 3: Cross multiply
    278,194,482.40x = 417,291,723.60 × 174,730,136.80
  4. Step 4: Simplify right side
    278,194,482.40x = 72,913,439,950,135,792
  5. Step 5: Solve for x
    x = 72,913,439,950,135,792/278,194,482.40
  6. Step 6: Final answer
    x = 262,095,205.20

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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.