Home / 75,917,145.06-113,827,866.03-64,406,643.30

Finding the Fourth Proportional to 75,917,145.06, 113,827,866.03 and 64,406,643.30

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Solution

The fourth proportional to 75,917,145.06, 113,827,866.03 and 64,406,643.30 is: 96,569,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917,145.06 : 113,827,866.03 = 64,406,643.30 : x
  2. Step 2: Convert to fraction form
    75,917,145.06/113,827,866.03 = 64,406,643.30/x
  3. Step 3: Cross multiply
    75,917,145.06x = 113,827,866.03 × 64,406,643.30
  4. Step 4: Simplify right side
    75,917,145.06x = 7,331,270,764,994,397
  5. Step 5: Solve for x
    x = 7,331,270,764,994,397/75,917,145.06
  6. Step 6: Final answer
    x = 96,569,368.61

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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.