Home / 76,104,361.32-104,851,646.28-72,476,390.76

Finding the Fourth Proportional to 76,104,361.32, 104,851,646.28 and 72,476,390.76

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Solution

The fourth proportional to 76,104,361.32, 104,851,646.28 and 72,476,390.76 is: 99,853,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,104,361.32 : 104,851,646.28 = 72,476,390.76 : x
  2. Step 2: Convert to fraction form
    76,104,361.32/104,851,646.28 = 72,476,390.76/x
  3. Step 3: Cross multiply
    76,104,361.32x = 104,851,646.28 × 72,476,390.76
  4. Step 4: Simplify right side
    76,104,361.32x = 7,599,268,887,618,581
  5. Step 5: Solve for x
    x = 7,599,268,887,618,581/76,104,361.32
  6. Step 6: Final answer
    x = 99,853,264.07

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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.