Home / 61,320,205.80-91,980,308.70-47,715,316.20

Finding the Fourth Proportional to 61,320,205.80, 91,980,308.70 and 47,715,316.20

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Solution

The fourth proportional to 61,320,205.80, 91,980,308.70 and 47,715,316.20 is: 71,572,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,320,205.80 : 91,980,308.70 = 47,715,316.20 : x
  2. Step 2: Convert to fraction form
    61,320,205.80/91,980,308.70 = 47,715,316.20/x
  3. Step 3: Cross multiply
    61,320,205.80x = 91,980,308.70 × 47,715,316.20
  4. Step 4: Simplify right side
    61,320,205.80x = 4,388,869,513,794,111.50
  5. Step 5: Solve for x
    x = 4,388,869,513,794,111.50/61,320,205.80
  6. Step 6: Final answer
    x = 71,572,974.30

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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.