Home / 311,980,065.66-430,980,941.64-249,173,703.96

Finding the Fourth Proportional to 311,980,065.66, 430,980,941.64 and 249,173,703.96

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Solution

The fourth proportional to 311,980,065.66, 430,980,941.64 and 249,173,703.96 is: 344,217,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,980,065.66 : 430,980,941.64 = 249,173,703.96 : x
  2. Step 2: Convert to fraction form
    311,980,065.66/430,980,941.64 = 249,173,703.96/x
  3. Step 3: Cross multiply
    311,980,065.66x = 430,980,941.64 × 249,173,703.96
  4. Step 4: Simplify right side
    311,980,065.66x = 107,389,117,564,607,392
  5. Step 5: Solve for x
    x = 107,389,117,564,607,392/311,980,065.66
  6. Step 6: Final answer
    x = 344,217,882.44

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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.