Home / 48,932,574.65-67,537,227.79-31,039,221.45

Finding the Fourth Proportional to 48,932,574.65, 67,537,227.79 and 31,039,221.45

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Solution

The fourth proportional to 48,932,574.65, 67,537,227.79 and 31,039,221.45 is: 42,840,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,932,574.65 : 67,537,227.79 = 31,039,221.45 : x
  2. Step 2: Convert to fraction form
    48,932,574.65/67,537,227.79 = 31,039,221.45/x
  3. Step 3: Cross multiply
    48,932,574.65x = 67,537,227.79 × 31,039,221.45
  4. Step 4: Simplify right side
    48,932,574.65x = 2,096,302,969,337,707.75
  5. Step 5: Solve for x
    x = 2,096,302,969,337,707.75/48,932,574.65
  6. Step 6: Final answer
    x = 42,840,643.16

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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.