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Finding the Fourth Proportional to 270,697,807.80, 406,046,711.70 and 66,225,883.05

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Solution

The fourth proportional to 270,697,807.80, 406,046,711.70 and 66,225,883.05 is: 99,338,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,697,807.80 : 406,046,711.70 = 66,225,883.05 : x
  2. Step 2: Convert to fraction form
    270,697,807.80/406,046,711.70 = 66,225,883.05/x
  3. Step 3: Cross multiply
    270,697,807.80x = 406,046,711.70 × 66,225,883.05
  4. Step 4: Simplify right side
    270,697,807.80x = 26,890,802,041,881,264
  5. Step 5: Solve for x
    x = 26,890,802,041,881,264/270,697,807.80
  6. Step 6: Final answer
    x = 99,338,824.58

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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.