Home / 250,351,880.49-345,506,277.65-138,878,661.62

Finding the Fourth Proportional to 250,351,880.49, 345,506,277.65 and 138,878,661.62

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Solution

The fourth proportional to 250,351,880.49, 345,506,277.65 and 138,878,661.62 is: 191,664,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,351,880.49 : 345,506,277.65 = 138,878,661.62 : x
  2. Step 2: Convert to fraction form
    250,351,880.49/345,506,277.65 = 138,878,661.62/x
  3. Step 3: Cross multiply
    250,351,880.49x = 345,506,277.65 × 138,878,661.62
  4. Step 4: Simplify right side
    250,351,880.49x = 47,983,449,418,918,192
  5. Step 5: Solve for x
    x = 47,983,449,418,918,192/250,351,880.49
  6. Step 6: Final answer
    x = 191,664,026.35

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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.