Home / 347,736,620.80-521,604,931.20-166,338,092.80

Finding the Fourth Proportional to 347,736,620.80, 521,604,931.20 and 166,338,092.80

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Solution

The fourth proportional to 347,736,620.80, 521,604,931.20 and 166,338,092.80 is: 249,507,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,620.80 : 521,604,931.20 = 166,338,092.80 : x
  2. Step 2: Convert to fraction form
    347,736,620.80/521,604,931.20 = 166,338,092.80/x
  3. Step 3: Cross multiply
    347,736,620.80x = 521,604,931.20 × 166,338,092.80
  4. Step 4: Simplify right side
    347,736,620.80x = 86,762,769,450,883,216
  5. Step 5: Solve for x
    x = 86,762,769,450,883,216/347,736,620.80
  6. Step 6: Final answer
    x = 249,507,139.20

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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.