Home / 161,669,114.40-242,503,671.60-79,827,200.40

Finding the Fourth Proportional to 161,669,114.40, 242,503,671.60 and 79,827,200.40

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Solution

The fourth proportional to 161,669,114.40, 242,503,671.60 and 79,827,200.40 is: 119,740,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,669,114.40 : 242,503,671.60 = 79,827,200.40 : x
  2. Step 2: Convert to fraction form
    161,669,114.40/242,503,671.60 = 79,827,200.40/x
  3. Step 3: Cross multiply
    161,669,114.40x = 242,503,671.60 × 79,827,200.40
  4. Step 4: Simplify right side
    161,669,114.40x = 19,358,389,190,548,988
  5. Step 5: Solve for x
    x = 19,358,389,190,548,988/161,669,114.40
  6. Step 6: Final answer
    x = 119,740,800.60

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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.