Home / 249,354,568.62-344,109,771.45-139,346,281.62

Finding the Fourth Proportional to 249,354,568.62, 344,109,771.45 and 139,346,281.62

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Solution

The fourth proportional to 249,354,568.62, 344,109,771.45 and 139,346,281.62 is: 192,298,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,354,568.62 : 344,109,771.45 = 139,346,281.62 : x
  2. Step 2: Convert to fraction form
    249,354,568.62/344,109,771.45 = 139,346,281.62/x
  3. Step 3: Cross multiply
    249,354,568.62x = 344,109,771.45 × 139,346,281.62
  4. Step 4: Simplify right side
    249,354,568.62x = 47,950,417,120,665,536
  5. Step 5: Solve for x
    x = 47,950,417,120,665,536/249,354,568.62
  6. Step 6: Final answer
    x = 192,298,129.47

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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.