Home / 139,145,206.80-208,717,810.20-88,084,880.40

Finding the Fourth Proportional to 139,145,206.80, 208,717,810.20 and 88,084,880.40

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Solution

The fourth proportional to 139,145,206.80, 208,717,810.20 and 88,084,880.40 is: 132,127,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,145,206.80 : 208,717,810.20 = 88,084,880.40 : x
  2. Step 2: Convert to fraction form
    139,145,206.80/208,717,810.20 = 88,084,880.40/x
  3. Step 3: Cross multiply
    139,145,206.80x = 208,717,810.20 × 88,084,880.40
  4. Step 4: Simplify right side
    139,145,206.80x = 18,384,883,348,816,900
  5. Step 5: Solve for x
    x = 18,384,883,348,816,900/139,145,206.80
  6. Step 6: Final answer
    x = 132,127,320.60

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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.