Home / 149,691,905.40-224,537,858.10-91,997,095.80

Finding the Fourth Proportional to 149,691,905.40, 224,537,858.10 and 91,997,095.80

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Solution

The fourth proportional to 149,691,905.40, 224,537,858.10 and 91,997,095.80 is: 137,995,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691,905.40 : 224,537,858.10 = 91,997,095.80 : x
  2. Step 2: Convert to fraction form
    149,691,905.40/224,537,858.10 = 91,997,095.80/x
  3. Step 3: Cross multiply
    149,691,905.40x = 224,537,858.10 × 91,997,095.80
  4. Step 4: Simplify right side
    149,691,905.40x = 20,656,830,842,352,504
  5. Step 5: Solve for x
    x = 20,656,830,842,352,504/149,691,905.40
  6. Step 6: Final answer
    x = 137,995,643.70

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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.