Home / 137,986,251.29-190,423,271.81-75,262,333.35

Finding the Fourth Proportional to 137,986,251.29, 190,423,271.81 and 75,262,333.35

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Solution

The fourth proportional to 137,986,251.29, 190,423,271.81 and 75,262,333.35 is: 103,863,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,986,251.29 : 190,423,271.81 = 75,262,333.35 : x
  2. Step 2: Convert to fraction form
    137,986,251.29/190,423,271.81 = 75,262,333.35/x
  3. Step 3: Cross multiply
    137,986,251.29x = 190,423,271.81 × 75,262,333.35
  4. Step 4: Simplify right side
    137,986,251.29x = 14,331,699,760,185,566
  5. Step 5: Solve for x
    x = 14,331,699,760,185,566/137,986,251.29
  6. Step 6: Final answer
    x = 103,863,244.54

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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.