Home / 66,066,803.70-99,100,205.55-60,008,376.30

Finding the Fourth Proportional to 66,066,803.70, 99,100,205.55 and 60,008,376.30

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Solution

The fourth proportional to 66,066,803.70, 99,100,205.55 and 60,008,376.30 is: 90,012,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,803.70 : 99,100,205.55 = 60,008,376.30 : x
  2. Step 2: Convert to fraction form
    66,066,803.70/99,100,205.55 = 60,008,376.30/x
  3. Step 3: Cross multiply
    66,066,803.70x = 99,100,205.55 × 60,008,376.30
  4. Step 4: Simplify right side
    66,066,803.70x = 5,946,842,426,051,748
  5. Step 5: Solve for x
    x = 5,946,842,426,051,748/66,066,803.70
  6. Step 6: Final answer
    x = 90,012,564.45

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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.