Home / 66,428,241.40-99,642,362.10-30,596,433.40

Finding the Fourth Proportional to 66,428,241.40, 99,642,362.10 and 30,596,433.40

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Solution

The fourth proportional to 66,428,241.40, 99,642,362.10 and 30,596,433.40 is: 45,894,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,241.40 : 99,642,362.10 = 30,596,433.40 : x
  2. Step 2: Convert to fraction form
    66,428,241.40/99,642,362.10 = 30,596,433.40/x
  3. Step 3: Cross multiply
    66,428,241.40x = 99,642,362.10 × 30,596,433.40
  4. Step 4: Simplify right side
    66,428,241.40x = 3,048,700,895,811,334
  5. Step 5: Solve for x
    x = 3,048,700,895,811,334/66,428,241.40
  6. Step 6: Final answer
    x = 45,894,650.10

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Double scale
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Similar ratio
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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.