Home / 80,669,525.46-111,333,356.73-45,867,430.50

Finding the Fourth Proportional to 80,669,525.46, 111,333,356.73 and 45,867,430.50

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Solution

The fourth proportional to 80,669,525.46, 111,333,356.73 and 45,867,430.50 is: 63,302,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,669,525.46 : 111,333,356.73 = 45,867,430.50 : x
  2. Step 2: Convert to fraction form
    80,669,525.46/111,333,356.73 = 45,867,430.50/x
  3. Step 3: Cross multiply
    80,669,525.46x = 111,333,356.73 × 45,867,430.50
  4. Step 4: Simplify right side
    80,669,525.46x = 5,106,575,002,144,982
  5. Step 5: Solve for x
    x = 5,106,575,002,144,982/80,669,525.46
  6. Step 6: Final answer
    x = 63,302,405.38

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1.5x scale

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.