Home / 42,768,002.40-64,152,003.60-39,744,693.60

Finding the Fourth Proportional to 42,768,002.40, 64,152,003.60 and 39,744,693.60

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Solution

The fourth proportional to 42,768,002.40, 64,152,003.60 and 39,744,693.60 is: 59,617,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,002.40 : 64,152,003.60 = 39,744,693.60 : x
  2. Step 2: Convert to fraction form
    42,768,002.40/64,152,003.60 = 39,744,693.60/x
  3. Step 3: Cross multiply
    42,768,002.40x = 64,152,003.60 × 39,744,693.60
  4. Step 4: Simplify right side
    42,768,002.40x = 2,549,701,726,908,097
  5. Step 5: Solve for x
    x = 2,549,701,726,908,097/42,768,002.40
  6. Step 6: Final answer
    x = 59,617,040.40

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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.