Home / 57,205,054.51-78,943,873.42-31,099,672.04

Finding the Fourth Proportional to 57,205,054.51, 78,943,873.42 and 31,099,672.04

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Solution

The fourth proportional to 57,205,054.51, 78,943,873.42 and 31,099,672.04 is: 42,918,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205,054.51 : 78,943,873.42 = 31,099,672.04 : x
  2. Step 2: Convert to fraction form
    57,205,054.51/78,943,873.42 = 31,099,672.04/x
  3. Step 3: Cross multiply
    57,205,054.51x = 78,943,873.42 × 31,099,672.04
  4. Step 4: Simplify right side
    57,205,054.51x = 2,455,128,572,573,428.50
  5. Step 5: Solve for x
    x = 2,455,128,572,573,428.50/57,205,054.51
  6. Step 6: Final answer
    x = 42,918,035.72

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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.