Home / 69,871,762.64-96,421,778.16-38,082,218.36

Finding the Fourth Proportional to 69,871,762.64, 96,421,778.16 and 38,082,218.36

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Solution

The fourth proportional to 69,871,762.64, 96,421,778.16 and 38,082,218.36 is: 52,552,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,762.64 : 96,421,778.16 = 38,082,218.36 : x
  2. Step 2: Convert to fraction form
    69,871,762.64/96,421,778.16 = 38,082,218.36/x
  3. Step 3: Cross multiply
    69,871,762.64x = 96,421,778.16 × 38,082,218.36
  4. Step 4: Simplify right side
    69,871,762.64x = 3,671,955,210,548,599
  5. Step 5: Solve for x
    x = 3,671,955,210,548,599/69,871,762.64
  6. Step 6: Final answer
    x = 52,552,777.71

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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.