Home / 79,488,002.70-119,232,004.05-39,177,218.70

Finding the Fourth Proportional to 79,488,002.70, 119,232,004.05 and 39,177,218.70

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Solution

The fourth proportional to 79,488,002.70, 119,232,004.05 and 39,177,218.70 is: 58,765,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,002.70 : 119,232,004.05 = 39,177,218.70 : x
  2. Step 2: Convert to fraction form
    79,488,002.70/119,232,004.05 = 39,177,218.70/x
  3. Step 3: Cross multiply
    79,488,002.70x = 119,232,004.05 × 39,177,218.70
  4. Step 4: Simplify right side
    79,488,002.70x = 4,671,178,298,706,136
  5. Step 5: Solve for x
    x = 4,671,178,298,706,136/79,488,002.70
  6. Step 6: Final answer
    x = 58,765,828.05

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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.