Home / 56,990,307.27-78,646,692.14-30,884,825.11

Finding the Fourth Proportional to 56,990,307.27, 78,646,692.14 and 30,884,825.11

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Solution

The fourth proportional to 56,990,307.27, 78,646,692.14 and 30,884,825.11 is: 42,621,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,990,307.27 : 78,646,692.14 = 30,884,825.11 : x
  2. Step 2: Convert to fraction form
    56,990,307.27/78,646,692.14 = 30,884,825.11/x
  3. Step 3: Cross multiply
    56,990,307.27x = 78,646,692.14 × 30,884,825.11
  4. Step 4: Simplify right side
    56,990,307.27x = 2,428,989,331,751,134
  5. Step 5: Solve for x
    x = 2,428,989,331,751,134/56,990,307.27
  6. Step 6: Final answer
    x = 42,621,095.55

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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.