Home / 82,644,526.40-123,928,482.08-30,815,212.84

Finding the Fourth Proportional to 82,644,526.40, 123,928,482.08 and 30,815,212.84

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Solution

The fourth proportional to 82,644,526.40, 123,928,482.08 and 30,815,212.84 is: 46,208,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,644,526.40 : 123,928,482.08 = 30,815,212.84 : x
  2. Step 2: Convert to fraction form
    82,644,526.40/123,928,482.08 = 30,815,212.84/x
  3. Step 3: Cross multiply
    82,644,526.40x = 123,928,482.08 × 30,815,212.84
  4. Step 4: Simplify right side
    82,644,526.40x = 3,818,882,552,233,326
  5. Step 5: Solve for x
    x = 3,818,882,552,233,326/82,644,526.40
  6. Step 6: Final answer
    x = 46,208,535.74

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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.