Home / 66,007,343.80-99,011,015.70-60,333,974.20

Finding the Fourth Proportional to 66,007,343.80, 99,011,015.70 and 60,333,974.20

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Solution

The fourth proportional to 66,007,343.80, 99,011,015.70 and 60,333,974.20 is: 90,500,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007,343.80 : 99,011,015.70 = 60,333,974.20 : x
  2. Step 2: Convert to fraction form
    66,007,343.80/99,011,015.70 = 60,333,974.20/x
  3. Step 3: Cross multiply
    66,007,343.80x = 99,011,015.70 × 60,333,974.20
  4. Step 4: Simplify right side
    66,007,343.80x = 5,973,728,066,759,595
  5. Step 5: Solve for x
    x = 5,973,728,066,759,595/66,007,343.80
  6. Step 6: Final answer
    x = 90,500,961.30

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1.5x scale

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.