Home / 57,033,947.60-78,706,868.64-30,928,458.68

Finding the Fourth Proportional to 57,033,947.60, 78,706,868.64 and 30,928,458.68

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Solution

The fourth proportional to 57,033,947.60, 78,706,868.64 and 30,928,458.68 is: 42,681,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,947.60 : 78,706,868.64 = 30,928,458.68 : x
  2. Step 2: Convert to fraction form
    57,033,947.60/78,706,868.64 = 30,928,458.68/x
  3. Step 3: Cross multiply
    57,033,947.60x = 78,706,868.64 × 30,928,458.68
  4. Step 4: Simplify right side
    57,033,947.60x = 2,434,282,134,564,428
  5. Step 5: Solve for x
    x = 2,434,282,134,564,428/57,033,947.60
  6. Step 6: Final answer
    x = 42,681,284.34

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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.