Home / 72,433,253.80-108,678,908.87-26,378,326.45

Finding the Fourth Proportional to 72,433,253.80, 108,678,908.87 and 26,378,326.45

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Solution

The fourth proportional to 72,433,253.80, 108,678,908.87 and 26,378,326.45 is: 39,578,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,253.80 : 108,678,908.87 = 26,378,326.45 : x
  2. Step 2: Convert to fraction form
    72,433,253.80/108,678,908.87 = 26,378,326.45/x
  3. Step 3: Cross multiply
    72,433,253.80x = 108,678,908.87 × 26,378,326.45
  4. Step 4: Simplify right side
    72,433,253.80x = 2,866,767,735,727,374.50
  5. Step 5: Solve for x
    x = 2,866,767,735,727,374.50/72,433,253.80
  6. Step 6: Final answer
    x = 39,578,060.98

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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.