Home / 51,849,753.48-71,562,873.78-30,931,316.16

Finding the Fourth Proportional to 51,849,753.48, 71,562,873.78 and 30,931,316.16

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Solution

The fourth proportional to 51,849,753.48, 71,562,873.78 and 30,931,316.16 is: 42,691,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,849,753.48 : 71,562,873.78 = 30,931,316.16 : x
  2. Step 2: Convert to fraction form
    51,849,753.48/71,562,873.78 = 30,931,316.16/x
  3. Step 3: Cross multiply
    51,849,753.48x = 71,562,873.78 × 30,931,316.16
  4. Step 4: Simplify right side
    51,849,753.48x = 2,213,533,874,207,354.25
  5. Step 5: Solve for x
    x = 2,213,533,874,207,354.25/51,849,753.48
  6. Step 6: Final answer
    x = 42,691,309.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.