Home / 42,993,527.76-64,426,518.09-31,578,175.08

Finding the Fourth Proportional to 42,993,527.76, 64,426,518.09 and 31,578,175.08

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Solution

The fourth proportional to 42,993,527.76, 64,426,518.09 and 31,578,175.08 is: 47,320,421.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993,527.76 : 64,426,518.09 = 31,578,175.08 : x
  2. Step 2: Convert to fraction form
    42,993,527.76/64,426,518.09 = 31,578,175.08/x
  3. Step 3: Cross multiply
    42,993,527.76x = 64,426,518.09 × 31,578,175.08
  4. Step 4: Simplify right side
    42,993,527.76x = 2,034,471,868,040,807.25
  5. Step 5: Solve for x
    x = 2,034,471,868,040,807.25/42,993,527.76
  6. Step 6: Final answer
    x = 47,320,421.79

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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.