Home / 307,563,820.17-424,436,544.21-166,434,941.13

Finding the Fourth Proportional to 307,563,820.17, 424,436,544.21 and 166,434,941.13

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Solution

The fourth proportional to 307,563,820.17, 424,436,544.21 and 166,434,941.13 is: 229,679,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,563,820.17 : 424,436,544.21 = 166,434,941.13 : x
  2. Step 2: Convert to fraction form
    307,563,820.17/424,436,544.21 = 166,434,941.13/x
  3. Step 3: Cross multiply
    307,563,820.17x = 424,436,544.21 × 166,434,941.13
  4. Step 4: Simplify right side
    307,563,820.17x = 70,641,071,249,011,984
  5. Step 5: Solve for x
    x = 70,641,071,249,011,984/307,563,820.17
  6. Step 6: Final answer
    x = 229,679,392.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.