Home / 347,249,356.80-520,956,979.20-104,914,636.80

Finding the Fourth Proportional to 347,249,356.80, 520,956,979.20 and 104,914,636.80

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Solution

The fourth proportional to 347,249,356.80, 520,956,979.20 and 104,914,636.80 is: 157,397,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,249,356.80 : 520,956,979.20 = 104,914,636.80 : x
  2. Step 2: Convert to fraction form
    347,249,356.80/520,956,979.20 = 104,914,636.80/x
  3. Step 3: Cross multiply
    347,249,356.80x = 520,956,979.20 × 104,914,636.80
  4. Step 4: Simplify right side
    347,249,356.80x = 54,656,012,261,193,152
  5. Step 5: Solve for x
    x = 54,656,012,261,193,152/347,249,356.80
  6. Step 6: Final answer
    x = 157,397,015.12

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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.