Home / 215,223,636.40-322,889,526.60-61,869,971.68

Finding the Fourth Proportional to 215,223,636.40, 322,889,526.60 and 61,869,971.68

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Solution

The fourth proportional to 215,223,636.40, 322,889,526.60 and 61,869,971.68 is: 92,820,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,223,636.40 : 322,889,526.60 = 61,869,971.68 : x
  2. Step 2: Convert to fraction form
    215,223,636.40/322,889,526.60 = 61,869,971.68/x
  3. Step 3: Cross multiply
    215,223,636.40x = 322,889,526.60 × 61,869,971.68
  4. Step 4: Simplify right side
    215,223,636.40x = 19,977,165,866,510,608
  5. Step 5: Solve for x
    x = 19,977,165,866,510,608/215,223,636.40
  6. Step 6: Final answer
    x = 92,820,501.51

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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.