Home / 66,007,410.30-99,011,115.45-60,334,040.70

Finding the Fourth Proportional to 66,007,410.30, 99,011,115.45 and 60,334,040.70

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Solution

The fourth proportional to 66,007,410.30, 99,011,115.45 and 60,334,040.70 is: 90,501,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,007,410.30 : 99,011,115.45 = 60,334,040.70 : x
  2. Step 2: Convert to fraction form
    66,007,410.30/99,011,115.45 = 60,334,040.70/x
  3. Step 3: Cross multiply
    66,007,410.30x = 99,011,115.45 × 60,334,040.70
  4. Step 4: Simplify right side
    66,007,410.30x = 5,973,740,669,312,699
  5. Step 5: Solve for x
    x = 5,973,740,669,312,699/66,007,410.30
  6. Step 6: Final answer
    x = 90,501,061.05

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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.