Home / 91,921,240.06-137,880,679.10-30,538,623.58

Finding the Fourth Proportional to 91,921,240.06, 137,880,679.10 and 30,538,623.58

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Solution

The fourth proportional to 91,921,240.06, 137,880,679.10 and 30,538,623.58 is: 45,807,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,921,240.06 : 137,880,679.10 = 30,538,623.58 : x
  2. Step 2: Convert to fraction form
    91,921,240.06/137,880,679.10 = 30,538,623.58/x
  3. Step 3: Cross multiply
    91,921,240.06x = 137,880,679.10 × 30,538,623.58
  4. Step 4: Simplify right side
    91,921,240.06x = 4,210,686,157,492,278.50
  5. Step 5: Solve for x
    x = 4,210,686,157,492,278.50/91,921,240.06
  6. Step 6: Final answer
    x = 45,807,543.01

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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.