Home / 72,836,700.30-109,255,050.45-69,477,468.30

Finding the Fourth Proportional to 72,836,700.30, 109,255,050.45 and 69,477,468.30

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Solution

The fourth proportional to 72,836,700.30, 109,255,050.45 and 69,477,468.30 is: 104,216,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,836,700.30 : 109,255,050.45 = 69,477,468.30 : x
  2. Step 2: Convert to fraction form
    72,836,700.30/109,255,050.45 = 69,477,468.30/x
  3. Step 3: Cross multiply
    72,836,700.30x = 109,255,050.45 × 69,477,468.30
  4. Step 4: Simplify right side
    72,836,700.30x = 7,590,764,304,254,776
  5. Step 5: Solve for x
    x = 7,590,764,304,254,776/72,836,700.30
  6. Step 6: Final answer
    x = 104,216,202.45

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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.