Home / 74,370,797.28-111,213,735.12-70,742,826.72

Finding the Fourth Proportional to 74,370,797.28, 111,213,735.12 and 70,742,826.72

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Solution

The fourth proportional to 74,370,797.28, 111,213,735.12 and 70,742,826.72 is: 105,788,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370,797.28 : 111,213,735.12 = 70,742,826.72 : x
  2. Step 2: Convert to fraction form
    74,370,797.28/111,213,735.12 = 70,742,826.72/x
  3. Step 3: Cross multiply
    74,370,797.28x = 111,213,735.12 × 70,742,826.72
  4. Step 4: Simplify right side
    74,370,797.28x = 7,867,573,992,478,139
  5. Step 5: Solve for x
    x = 7,867,573,992,478,139/74,370,797.28
  6. Step 6: Final answer
    x = 105,788,485.27

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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.