Home / 56,109,059.40-84,121,598.70-30,578,896.20

Finding the Fourth Proportional to 56,109,059.40, 84,121,598.70 and 30,578,896.20

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Solution

The fourth proportional to 56,109,059.40, 84,121,598.70 and 30,578,896.20 is: 45,845,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109,059.40 : 84,121,598.70 = 30,578,896.20 : x
  2. Step 2: Convert to fraction form
    56,109,059.40/84,121,598.70 = 30,578,896.20/x
  3. Step 3: Cross multiply
    56,109,059.40x = 84,121,598.70 × 30,578,896.20
  4. Step 4: Simplify right side
    56,109,059.40x = 2,572,345,634,825,355
  5. Step 5: Solve for x
    x = 2,572,345,634,825,355/56,109,059.40
  6. Step 6: Final answer
    x = 45,845,459.94

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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.