Home / 347,249,328.80-520,956,937.20-104,914,608.80

Finding the Fourth Proportional to 347,249,328.80, 520,956,937.20 and 104,914,608.80

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Solution

The fourth proportional to 347,249,328.80, 520,956,937.20 and 104,914,608.80 is: 157,396,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,249,328.80 : 520,956,937.20 = 104,914,608.80 : x
  2. Step 2: Convert to fraction form
    347,249,328.80/520,956,937.20 = 104,914,608.80/x
  3. Step 3: Cross multiply
    347,249,328.80x = 520,956,937.20 × 104,914,608.80
  4. Step 4: Simplify right side
    347,249,328.80x = 54,655,993,267,984,168
  5. Step 5: Solve for x
    x = 54,655,993,267,984,168/347,249,328.80
  6. Step 6: Final answer
    x = 157,396,973.11

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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.