Home / 99,708,945.23-137,621,302.63-58,469,123.63

Finding the Fourth Proportional to 99,708,945.23, 137,621,302.63 and 58,469,123.63

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Solution

The fourth proportional to 99,708,945.23, 137,621,302.63 and 58,469,123.63 is: 80,700,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,945.23 : 137,621,302.63 = 58,469,123.63 : x
  2. Step 2: Convert to fraction form
    99,708,945.23/137,621,302.63 = 58,469,123.63/x
  3. Step 3: Cross multiply
    99,708,945.23x = 137,621,302.63 × 58,469,123.63
  4. Step 4: Simplify right side
    99,708,945.23x = 8,046,596,957,792,994
  5. Step 5: Solve for x
    x = 8,046,596,957,792,994/99,708,945.23
  6. Step 6: Final answer
    x = 80,700,853.26

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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.