Home / 100,033,263.43-138,060,343.16-57,638,703.31

Finding the Fourth Proportional to 100,033,263.43, 138,060,343.16 and 57,638,703.31

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Solution

The fourth proportional to 100,033,263.43, 138,060,343.16 and 57,638,703.31 is: 79,549,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,033,263.43 : 138,060,343.16 = 57,638,703.31 : x
  2. Step 2: Convert to fraction form
    100,033,263.43/138,060,343.16 = 57,638,703.31/x
  3. Step 3: Cross multiply
    100,033,263.43x = 138,060,343.16 × 57,638,703.31
  4. Step 4: Simplify right side
    100,033,263.43x = 7,957,619,158,959,925
  5. Step 5: Solve for x
    x = 7,957,619,158,959,925/100,033,263.43
  6. Step 6: Final answer
    x = 79,549,730.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.