Home / 92,928,048.88-128,243,823.60-51,113,883.28

Finding the Fourth Proportional to 92,928,048.88, 128,243,823.60 and 51,113,883.28

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Solution

The fourth proportional to 92,928,048.88, 128,243,823.60 and 51,113,883.28 is: 70,538,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,928,048.88 : 128,243,823.60 = 51,113,883.28 : x
  2. Step 2: Convert to fraction form
    92,928,048.88/128,243,823.60 = 51,113,883.28/x
  3. Step 3: Cross multiply
    92,928,048.88x = 128,243,823.60 × 51,113,883.28
  4. Step 4: Simplify right side
    92,928,048.88x = 6,555,039,830,871,309
  5. Step 5: Solve for x
    x = 6,555,039,830,871,309/92,928,048.88
  6. Step 6: Final answer
    x = 70,538,872.92

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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.