Home / 64,720,928.40-89,314,277.40-35,352,249.72

Finding the Fourth Proportional to 64,720,928.40, 89,314,277.40 and 35,352,249.72

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Solution

The fourth proportional to 64,720,928.40, 89,314,277.40 and 35,352,249.72 is: 48,785,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720,928.40 : 89,314,277.40 = 35,352,249.72 : x
  2. Step 2: Convert to fraction form
    64,720,928.40/89,314,277.40 = 35,352,249.72/x
  3. Step 3: Cross multiply
    64,720,928.40x = 89,314,277.40 × 35,352,249.72
  4. Step 4: Simplify right side
    64,720,928.40x = 3,157,460,638,206,152.50
  5. Step 5: Solve for x
    x = 3,157,460,638,206,152.50/64,720,928.40
  6. Step 6: Final answer
    x = 48,785,774.81

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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.