Home / 149,909,813.80-224,864,720.70-73,281,999.40

Finding the Fourth Proportional to 149,909,813.80, 224,864,720.70 and 73,281,999.40

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Solution

The fourth proportional to 149,909,813.80, 224,864,720.70 and 73,281,999.40 is: 109,922,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,909,813.80 : 224,864,720.70 = 73,281,999.40 : x
  2. Step 2: Convert to fraction form
    149,909,813.80/224,864,720.70 = 73,281,999.40/x
  3. Step 3: Cross multiply
    149,909,813.80x = 224,864,720.70 × 73,281,999.40
  4. Step 4: Simplify right side
    149,909,813.80x = 16,478,536,327,418,568
  5. Step 5: Solve for x
    x = 16,478,536,327,418,568/149,909,813.80
  6. Step 6: Final answer
    x = 109,922,999.10

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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.