Home / 189,842,726,098.67-261,983,221,449.02-103,035,297,159.74

Finding the Fourth Proportional to 189,842,726,098.67, 261,983,221,449.02 and 103,035,297,159.74

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Solution

The fourth proportional to 189,842,726,098.67, 261,983,221,449.02 and 103,035,297,159.74 is: 142,188,850,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842,726,098.67 : 261,983,221,449.02 = 103,035,297,159.74 : x
  2. Step 2: Convert to fraction form
    189,842,726,098.67/261,983,221,449.02 = 103,035,297,159.74/x
  3. Step 3: Cross multiply
    189,842,726,098.67x = 261,983,221,449.02 × 103,035,297,159.74
  4. Step 4: Simplify right side
    189,842,726,098.67x = 26,993,519,072,865,746,419,712
  5. Step 5: Solve for x
    x = 26,993,519,072,865,746,419,712/189,842,726,098.67
  6. Step 6: Final answer
    x = 142,188,850,885.11

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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.