Home / 66,499,701.93-99,759,072.77-20,445,438.00

Finding the Fourth Proportional to 66,499,701.93, 99,759,072.77 and 20,445,438.00

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Solution

The fourth proportional to 66,499,701.93, 99,759,072.77 and 20,445,438.00 is: 30,671,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,499,701.93 : 99,759,072.77 = 20,445,438.00 : x
  2. Step 2: Convert to fraction form
    66,499,701.93/99,759,072.77 = 20,445,438.00/x
  3. Step 3: Cross multiply
    66,499,701.93x = 99,759,072.77 × 20,445,438.00
  4. Step 4: Simplify right side
    66,499,701.93x = 2,039,617,937,158,924
  5. Step 5: Solve for x
    x = 2,039,617,937,158,924/66,499,701.93
  6. Step 6: Final answer
    x = 30,671,083.90

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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.