Home / 91,616,160.80-126,433,380.64-53,932,525.12

Finding the Fourth Proportional to 91,616,160.80, 126,433,380.64 and 53,932,525.12

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Solution

The fourth proportional to 91,616,160.80, 126,433,380.64 and 53,932,525.12 is: 74,428,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616,160.80 : 126,433,380.64 = 53,932,525.12 : x
  2. Step 2: Convert to fraction form
    91,616,160.80/126,433,380.64 = 53,932,525.12/x
  3. Step 3: Cross multiply
    91,616,160.80x = 126,433,380.64 × 53,932,525.12
  4. Step 4: Simplify right side
    91,616,160.80x = 6,818,871,477,373,321
  5. Step 5: Solve for x
    x = 6,818,871,477,373,321/91,616,160.80
  6. Step 6: Final answer
    x = 74,428,697.05

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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.