Home / 249,939,661.92-344,890,475.28-138,427,581.48

Finding the Fourth Proportional to 249,939,661.92, 344,890,475.28 and 138,427,581.48

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Solution

The fourth proportional to 249,939,661.92, 344,890,475.28 and 138,427,581.48 is: 191,015,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,939,661.92 : 344,890,475.28 = 138,427,581.48 : x
  2. Step 2: Convert to fraction form
    249,939,661.92/344,890,475.28 = 138,427,581.48/x
  3. Step 3: Cross multiply
    249,939,661.92x = 344,890,475.28 × 138,427,581.48
  4. Step 4: Simplify right side
    249,939,661.92x = 47,742,354,368,498,120
  5. Step 5: Solve for x
    x = 47,742,354,368,498,120/249,939,661.92
  6. Step 6: Final answer
    x = 191,015,519.51

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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.