Home / 340,520,056.13-510,780,089.79-81,735,276.03

Finding the Fourth Proportional to 340,520,056.13, 510,780,089.79 and 81,735,276.03

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Solution

The fourth proportional to 340,520,056.13, 510,780,089.79 and 81,735,276.03 is: 122,602,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,520,056.13 : 510,780,089.79 = 81,735,276.03 : x
  2. Step 2: Convert to fraction form
    340,520,056.13/510,780,089.79 = 81,735,276.03/x
  3. Step 3: Cross multiply
    340,520,056.13x = 510,780,089.79 × 81,735,276.03
  4. Step 4: Simplify right side
    340,520,056.13x = 41,748,751,629,613,840
  5. Step 5: Solve for x
    x = 41,748,751,629,613,840/340,520,056.13
  6. Step 6: Final answer
    x = 122,602,915.39

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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.