Home / 252,081,007.20-378,121,510.80-174,596,909.40

Finding the Fourth Proportional to 252,081,007.20, 378,121,510.80 and 174,596,909.40

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Solution

The fourth proportional to 252,081,007.20, 378,121,510.80 and 174,596,909.40 is: 261,895,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,081,007.20 : 378,121,510.80 = 174,596,909.40 : x
  2. Step 2: Convert to fraction form
    252,081,007.20/378,121,510.80 = 174,596,909.40/x
  3. Step 3: Cross multiply
    252,081,007.20x = 378,121,510.80 × 174,596,909.40
  4. Step 4: Simplify right side
    252,081,007.20x = 66,018,847,163,338,728
  5. Step 5: Solve for x
    x = 66,018,847,163,338,728/252,081,007.20
  6. Step 6: Final answer
    x = 261,895,364.10

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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.