Home / 79,404,002.40-119,106,003.60-28,287,688.80

Finding the Fourth Proportional to 79,404,002.40, 119,106,003.60 and 28,287,688.80

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Solution

The fourth proportional to 79,404,002.40, 119,106,003.60 and 28,287,688.80 is: 42,431,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,404,002.40 : 119,106,003.60 = 28,287,688.80 : x
  2. Step 2: Convert to fraction form
    79,404,002.40/119,106,003.60 = 28,287,688.80/x
  3. Step 3: Cross multiply
    79,404,002.40x = 119,106,003.60 × 28,287,688.80
  4. Step 4: Simplify right side
    79,404,002.40x = 3,369,233,564,048,479.50
  5. Step 5: Solve for x
    x = 3,369,233,564,048,479.50/79,404,002.40
  6. Step 6: Final answer
    x = 42,431,533.20

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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.