Home / 43,720,003.40-65,580,005.10-42,460,291.40

Finding the Fourth Proportional to 43,720,003.40, 65,580,005.10 and 42,460,291.40

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Solution

The fourth proportional to 43,720,003.40, 65,580,005.10 and 42,460,291.40 is: 63,690,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,003.40 : 65,580,005.10 = 42,460,291.40 : x
  2. Step 2: Convert to fraction form
    43,720,003.40/65,580,005.10 = 42,460,291.40/x
  3. Step 3: Cross multiply
    43,720,003.40x = 65,580,005.10 × 42,460,291.40
  4. Step 4: Simplify right side
    43,720,003.40x = 2,784,546,126,559,486
  5. Step 5: Solve for x
    x = 2,784,546,126,559,486/43,720,003.40
  6. Step 6: Final answer
    x = 63,690,437.10

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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.