Home / 139,104,326.80-208,656,490.20-88,044,000.40

Finding the Fourth Proportional to 139,104,326.80, 208,656,490.20 and 88,044,000.40

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Solution

The fourth proportional to 139,104,326.80, 208,656,490.20 and 88,044,000.40 is: 132,066,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,104,326.80 : 208,656,490.20 = 88,044,000.40 : x
  2. Step 2: Convert to fraction form
    139,104,326.80/208,656,490.20 = 88,044,000.40/x
  3. Step 3: Cross multiply
    139,104,326.80x = 208,656,490.20 × 88,044,000.40
  4. Step 4: Simplify right side
    139,104,326.80x = 18,370,952,106,631,396
  5. Step 5: Solve for x
    x = 18,370,952,106,631,396/139,104,326.80
  6. Step 6: Final answer
    x = 132,066,000.60

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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.