Home / 230,914,251,886.63-345,924,602,683.92-129,878,135,812.95

Finding the Fourth Proportional to 230,914,251,886.63, 345,924,602,683.92 and 129,878,135,812.95

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Solution

The fourth proportional to 230,914,251,886.63, 345,924,602,683.92 and 129,878,135,812.95 is: 194,565,914,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,914,251,886.63 : 345,924,602,683.92 = 129,878,135,812.95 : x
  2. Step 2: Convert to fraction form
    230,914,251,886.63/345,924,602,683.92 = 129,878,135,812.95/x
  3. Step 3: Cross multiply
    230,914,251,886.63x = 345,924,602,683.92 × 129,878,135,812.95
  4. Step 4: Simplify right side
    230,914,251,886.63x = 44,928,042,528,422,928,318,464
  5. Step 5: Solve for x
    x = 44,928,042,528,422,928,318,464/230,914,251,886.63
  6. Step 6: Final answer
    x = 194,565,914,235.91

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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.