Home / 249,531,309.60-344,330,098.08-138,019,750.56

Finding the Fourth Proportional to 249,531,309.60, 344,330,098.08 and 138,019,750.56

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Solution

The fourth proportional to 249,531,309.60, 344,330,098.08 and 138,019,750.56 is: 190,454,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531,309.60 : 344,330,098.08 = 138,019,750.56 : x
  2. Step 2: Convert to fraction form
    249,531,309.60/344,330,098.08 = 138,019,750.56/x
  3. Step 3: Cross multiply
    249,531,309.60x = 344,330,098.08 × 138,019,750.56
  4. Step 4: Simplify right side
    249,531,309.60x = 47,524,354,247,301,936
  5. Step 5: Solve for x
    x = 47,524,354,247,301,936/249,531,309.60
  6. Step 6: Final answer
    x = 190,454,473.72

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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.