Home / 319,020,116.57-478,533,985.10-88,975,204.73

Finding the Fourth Proportional to 319,020,116.57, 478,533,985.10 and 88,975,204.73

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Solution

The fourth proportional to 319,020,116.57, 478,533,985.10 and 88,975,204.73 is: 133,463,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,020,116.57 : 478,533,985.10 = 88,975,204.73 : x
  2. Step 2: Convert to fraction form
    319,020,116.57/478,533,985.10 = 88,975,204.73/x
  3. Step 3: Cross multiply
    319,020,116.57x = 478,533,985.10 × 88,975,204.73
  4. Step 4: Simplify right side
    319,020,116.57x = 42,577,659,295,954,048
  5. Step 5: Solve for x
    x = 42,577,659,295,954,048/319,020,116.57
  6. Step 6: Final answer
    x = 133,463,869.78

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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.