Home / 306,506,897.76-422,989,388.16-174,344,505.12

Finding the Fourth Proportional to 306,506,897.76, 422,989,388.16 and 174,344,505.12

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Solution

The fourth proportional to 306,506,897.76, 422,989,388.16 and 174,344,505.12 is: 240,601,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,506,897.76 : 422,989,388.16 = 174,344,505.12 : x
  2. Step 2: Convert to fraction form
    306,506,897.76/422,989,388.16 = 174,344,505.12/x
  3. Step 3: Cross multiply
    306,506,897.76x = 422,989,388.16 × 174,344,505.12
  4. Step 4: Simplify right side
    306,506,897.76x = 73,745,875,549,766,800
  5. Step 5: Solve for x
    x = 73,745,875,549,766,800/306,506,897.76
  6. Step 6: Final answer
    x = 240,601,030.80

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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.