Home / 86,231,109.60-129,346,664.40-59,021,330.40

Finding the Fourth Proportional to 86,231,109.60, 129,346,664.40 and 59,021,330.40

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Solution

The fourth proportional to 86,231,109.60, 129,346,664.40 and 59,021,330.40 is: 88,531,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,109.60 : 129,346,664.40 = 59,021,330.40 : x
  2. Step 2: Convert to fraction form
    86,231,109.60/129,346,664.40 = 59,021,330.40/x
  3. Step 3: Cross multiply
    86,231,109.60x = 129,346,664.40 × 59,021,330.40
  4. Step 4: Simplify right side
    86,231,109.60x = 7,634,212,215,690,318
  5. Step 5: Solve for x
    x = 7,634,212,215,690,318/86,231,109.60
  6. Step 6: Final answer
    x = 88,531,995.60

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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.