Home / 64,117,077.80-96,184,947.90-20,975,829.80

Finding the Fourth Proportional to 64,117,077.80, 96,184,947.90 and 20,975,829.80

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Solution

The fourth proportional to 64,117,077.80, 96,184,947.90 and 20,975,829.80 is: 31,466,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117,077.80 : 96,184,947.90 = 20,975,829.80 : x
  2. Step 2: Convert to fraction form
    64,117,077.80/96,184,947.90 = 20,975,829.80/x
  3. Step 3: Cross multiply
    64,117,077.80x = 96,184,947.90 × 20,975,829.80
  4. Step 4: Simplify right side
    64,117,077.80x = 2,017,559,096,472,267.50
  5. Step 5: Solve for x
    x = 2,017,559,096,472,267.50/64,117,077.80
  6. Step 6: Final answer
    x = 31,466,797.39

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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.