Home / 42,750,241.60-64,167,352.80-21,209,166.40

Finding the Fourth Proportional to 42,750,241.60, 64,167,352.80 and 21,209,166.40

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Solution

The fourth proportional to 42,750,241.60, 64,167,352.80 and 21,209,166.40 is: 31,834,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750,241.60 : 64,167,352.80 = 21,209,166.40 : x
  2. Step 2: Convert to fraction form
    42,750,241.60/64,167,352.80 = 21,209,166.40/x
  3. Step 3: Cross multiply
    42,750,241.60x = 64,167,352.80 × 21,209,166.40
  4. Step 4: Simplify right side
    42,750,241.60x = 1,360,936,062,982,705.75
  5. Step 5: Solve for x
    x = 1,360,936,062,982,705.75/42,750,241.60
  6. Step 6: Final answer
    x = 31,834,581.80

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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.