Home / 74,450,693.20-111,676,039.80-48,970,296.40

Finding the Fourth Proportional to 74,450,693.20, 111,676,039.80 and 48,970,296.40

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Solution

The fourth proportional to 74,450,693.20, 111,676,039.80 and 48,970,296.40 is: 73,455,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450,693.20 : 111,676,039.80 = 48,970,296.40 : x
  2. Step 2: Convert to fraction form
    74,450,693.20/111,676,039.80 = 48,970,296.40/x
  3. Step 3: Cross multiply
    74,450,693.20x = 111,676,039.80 × 48,970,296.40
  4. Step 4: Simplify right side
    74,450,693.20x = 5,468,808,769,784,196
  5. Step 5: Solve for x
    x = 5,468,808,769,784,196/74,450,693.20
  6. Step 6: Final answer
    x = 73,455,444.60

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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.