Home / 79,041,693.60-109,075,194.47-43,761,071.12

Finding the Fourth Proportional to 79,041,693.60, 109,075,194.47 and 43,761,071.12

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Solution

The fourth proportional to 79,041,693.60, 109,075,194.47 and 43,761,071.12 is: 60,388,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,041,693.60 : 109,075,194.47 = 43,761,071.12 : x
  2. Step 2: Convert to fraction form
    79,041,693.60/109,075,194.47 = 43,761,071.12/x
  3. Step 3: Cross multiply
    79,041,693.60x = 109,075,194.47 × 43,761,071.12
  4. Step 4: Simplify right side
    79,041,693.60x = 4,773,247,342,193,527
  5. Step 5: Solve for x
    x = 4,773,247,342,193,527/79,041,693.60
  6. Step 6: Final answer
    x = 60,388,981.12

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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.