Home / 42,343,831.43-63,520,995.95-12,054,056.39

Finding the Fourth Proportional to 42,343,831.43, 63,520,995.95 and 12,054,056.39

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Solution

The fourth proportional to 42,343,831.43, 63,520,995.95 and 12,054,056.39 is: 18,082,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343,831.43 : 63,520,995.95 = 12,054,056.39 : x
  2. Step 2: Convert to fraction form
    42,343,831.43/63,520,995.95 = 12,054,056.39/x
  3. Step 3: Cross multiply
    42,343,831.43x = 63,520,995.95 × 12,054,056.39
  4. Step 4: Simplify right side
    42,343,831.43x = 765,685,667,130,261.75
  5. Step 5: Solve for x
    x = 765,685,667,130,261.75/42,343,831.43
  6. Step 6: Final answer
    x = 18,082,578.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.