Home / 149,693,419.80-224,540,129.70-73,065,605.40

Finding the Fourth Proportional to 149,693,419.80, 224,540,129.70 and 73,065,605.40

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Solution

The fourth proportional to 149,693,419.80, 224,540,129.70 and 73,065,605.40 is: 109,598,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,693,419.80 : 224,540,129.70 = 73,065,605.40 : x
  2. Step 2: Convert to fraction form
    149,693,419.80/224,540,129.70 = 73,065,605.40/x
  3. Step 3: Cross multiply
    149,693,419.80x = 224,540,129.70 × 73,065,605.40
  4. Step 4: Simplify right side
    149,693,419.80x = 16,406,160,513,125,020
  5. Step 5: Solve for x
    x = 16,406,160,513,125,020/149,693,419.80
  6. Step 6: Final answer
    x = 109,598,408.10

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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.