Home / 273,889,776.80-377,972,459.04-148,445,979.20

Finding the Fourth Proportional to 273,889,776.80, 377,972,459.04 and 148,445,979.20

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Solution

The fourth proportional to 273,889,776.80, 377,972,459.04 and 148,445,979.20 is: 204,857,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,889,776.80 : 377,972,459.04 = 148,445,979.20 : x
  2. Step 2: Convert to fraction form
    273,889,776.80/377,972,459.04 = 148,445,979.20/x
  3. Step 3: Cross multiply
    273,889,776.80x = 377,972,459.04 × 148,445,979.20
  4. Step 4: Simplify right side
    273,889,776.80x = 56,108,491,792,824,688
  5. Step 5: Solve for x
    x = 56,108,491,792,824,688/273,889,776.80
  6. Step 6: Final answer
    x = 204,857,926.60

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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.