Home / 154,904,341,634.40-213,765,818,508-86,318,645,502.72

Finding the Fourth Proportional to 154,904,341,634.40, 213,765,818,508 and 86,318,645,502.72

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Solution

The fourth proportional to 154,904,341,634.40, 213,765,818,508 and 86,318,645,502.72 is: 119,118,519,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,904,341,634.40 : 213,765,818,508 = 86,318,645,502.72 : x
  2. Step 2: Convert to fraction form
    154,904,341,634.40/213,765,818,508 = 86,318,645,502.72/x
  3. Step 3: Cross multiply
    154,904,341,634.40x = 213,765,818,508 × 86,318,645,502.72
  4. Step 4: Simplify right side
    154,904,341,634.40x = 18,451,975,908,390,833,487,872
  5. Step 5: Solve for x
    x = 18,451,975,908,390,833,487,872/154,904,341,634.40
  6. Step 6: Final answer
    x = 119,118,519,944.01

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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.