Home / 145,510,300.80-218,265,451.20-88,114,672.80

Finding the Fourth Proportional to 145,510,300.80, 218,265,451.20 and 88,114,672.80

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Solution

The fourth proportional to 145,510,300.80, 218,265,451.20 and 88,114,672.80 is: 132,172,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510,300.80 : 218,265,451.20 = 88,114,672.80 : x
  2. Step 2: Convert to fraction form
    145,510,300.80/218,265,451.20 = 88,114,672.80/x
  3. Step 3: Cross multiply
    145,510,300.80x = 218,265,451.20 × 88,114,672.80
  4. Step 4: Simplify right side
    145,510,300.80x = 19,232,388,816,032,364
  5. Step 5: Solve for x
    x = 19,232,388,816,032,364/145,510,300.80
  6. Step 6: Final answer
    x = 132,172,009.20

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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.