Home / 91,806,574.89-137,645,943.60-40,660,868.01

Finding the Fourth Proportional to 91,806,574.89, 137,645,943.60 and 40,660,868.01

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Solution

The fourth proportional to 91,806,574.89, 137,645,943.60 and 40,660,868.01 is: 60,962,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,806,574.89 : 137,645,943.60 = 40,660,868.01 : x
  2. Step 2: Convert to fraction form
    91,806,574.89/137,645,943.60 = 40,660,868.01/x
  3. Step 3: Cross multiply
    91,806,574.89x = 137,645,943.60 × 40,660,868.01
  4. Step 4: Simplify right side
    91,806,574.89x = 5,596,803,544,831,504
  5. Step 5: Solve for x
    x = 5,596,803,544,831,504/91,806,574.89
  6. Step 6: Final answer
    x = 60,962,992.59

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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.