Home / 249,645,911.48-374,504,688.66-77,137,787.96

Finding the Fourth Proportional to 249,645,911.48, 374,504,688.66 and 77,137,787.96

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Solution

The fourth proportional to 249,645,911.48, 374,504,688.66 and 77,137,787.96 is: 115,717,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,645,911.48 : 374,504,688.66 = 77,137,787.96 : x
  2. Step 2: Convert to fraction form
    249,645,911.48/374,504,688.66 = 77,137,787.96/x
  3. Step 3: Cross multiply
    249,645,911.48x = 374,504,688.66 × 77,137,787.96
  4. Step 4: Simplify right side
    249,645,911.48x = 28,888,463,263,880,896
  5. Step 5: Solve for x
    x = 28,888,463,263,880,896/249,645,911.48
  6. Step 6: Final answer
    x = 115,717,750.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.