Home / 56,970,023.42-78,619,009.78-30,864,541.25

Finding the Fourth Proportional to 56,970,023.42, 78,619,009.78 and 30,864,541.25

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Solution

The fourth proportional to 56,970,023.42, 78,619,009.78 and 30,864,541.25 is: 42,593,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970,023.42 : 78,619,009.78 = 30,864,541.25 : x
  2. Step 2: Convert to fraction form
    56,970,023.42/78,619,009.78 = 30,864,541.25/x
  3. Step 3: Cross multiply
    56,970,023.42x = 78,619,009.78 × 30,864,541.25
  4. Step 4: Simplify right side
    56,970,023.42x = 2,426,539,670,450,479
  5. Step 5: Solve for x
    x = 2,426,539,670,450,479/56,970,023.42
  6. Step 6: Final answer
    x = 42,593,271.42

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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.