Home / 340,656,630.72-510,984,956.16-107,510,971.20

Finding the Fourth Proportional to 340,656,630.72, 510,984,956.16 and 107,510,971.20

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Solution

The fourth proportional to 340,656,630.72, 510,984,956.16 and 107,510,971.20 is: 161,266,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,656,630.72 : 510,984,956.16 = 107,510,971.20 : x
  2. Step 2: Convert to fraction form
    340,656,630.72/510,984,956.16 = 107,510,971.20/x
  3. Step 3: Cross multiply
    340,656,630.72x = 510,984,956.16 × 107,510,971.20
  4. Step 4: Simplify right side
    340,656,630.72x = 54,936,488,905,351,024
  5. Step 5: Solve for x
    x = 54,936,488,905,351,024/340,656,630.72
  6. Step 6: Final answer
    x = 161,266,459.98

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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.