Home / 91,056,943.80-125,661,574.26-49,803,837.39

Finding the Fourth Proportional to 91,056,943.80, 125,661,574.26 and 49,803,837.39

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Solution

The fourth proportional to 91,056,943.80, 125,661,574.26 and 49,803,837.39 is: 68,730,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056,943.80 : 125,661,574.26 = 49,803,837.39 : x
  2. Step 2: Convert to fraction form
    91,056,943.80/125,661,574.26 = 49,803,837.39/x
  3. Step 3: Cross multiply
    91,056,943.80x = 125,661,574.26 × 49,803,837.39
  4. Step 4: Simplify right side
    91,056,943.80x = 6,258,428,610,616,450
  5. Step 5: Solve for x
    x = 6,258,428,610,616,450/91,056,943.80
  6. Step 6: Final answer
    x = 68,730,931.98

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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.