Home / 58,472,721.20-87,709,081.80-40,332,868.40

Finding the Fourth Proportional to 58,472,721.20, 87,709,081.80 and 40,332,868.40

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Solution

The fourth proportional to 58,472,721.20, 87,709,081.80 and 40,332,868.40 is: 60,499,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,472,721.20 : 87,709,081.80 = 40,332,868.40 : x
  2. Step 2: Convert to fraction form
    58,472,721.20/87,709,081.80 = 40,332,868.40/x
  3. Step 3: Cross multiply
    58,472,721.20x = 87,709,081.80 × 40,332,868.40
  4. Step 4: Simplify right side
    58,472,721.20x = 3,537,558,853,724,235
  5. Step 5: Solve for x
    x = 3,537,558,853,724,235/58,472,721.20
  6. Step 6: Final answer
    x = 60,499,302.60

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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.