Home / 51,708,106.08-71,356,605.19-28,186,127.69

Finding the Fourth Proportional to 51,708,106.08, 71,356,605.19 and 28,186,127.69

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Solution

The fourth proportional to 51,708,106.08, 71,356,605.19 and 28,186,127.69 is: 38,896,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,708,106.08 : 71,356,605.19 = 28,186,127.69 : x
  2. Step 2: Convert to fraction form
    51,708,106.08/71,356,605.19 = 28,186,127.69/x
  3. Step 3: Cross multiply
    51,708,106.08x = 71,356,605.19 × 28,186,127.69
  4. Step 4: Simplify right side
    51,708,106.08x = 2,011,266,385,141,555
  5. Step 5: Solve for x
    x = 2,011,266,385,141,555/51,708,106.08
  6. Step 6: Final answer
    x = 38,896,539.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.