Home / 40,742,138.60-61,113,207.90-31,176,200.60

Finding the Fourth Proportional to 40,742,138.60, 61,113,207.90 and 31,176,200.60

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Solution

The fourth proportional to 40,742,138.60, 61,113,207.90 and 31,176,200.60 is: 46,764,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742,138.60 : 61,113,207.90 = 31,176,200.60 : x
  2. Step 2: Convert to fraction form
    40,742,138.60/61,113,207.90 = 31,176,200.60/x
  3. Step 3: Cross multiply
    40,742,138.60x = 61,113,207.90 × 31,176,200.60
  4. Step 4: Simplify right side
    40,742,138.60x = 1,905,277,628,799,904.75
  5. Step 5: Solve for x
    x = 1,905,277,628,799,904.75/40,742,138.60
  6. Step 6: Final answer
    x = 46,764,300.90

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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.