Home / 57,900,915.92-86,854,167.16-19,038,507.52

Finding the Fourth Proportional to 57,900,915.92, 86,854,167.16 and 19,038,507.52

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Solution

The fourth proportional to 57,900,915.92, 86,854,167.16 and 19,038,507.52 is: 28,558,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900,915.92 : 86,854,167.16 = 19,038,507.52 : x
  2. Step 2: Convert to fraction form
    57,900,915.92/86,854,167.16 = 19,038,507.52/x
  3. Step 3: Cross multiply
    57,900,915.92x = 86,854,167.16 × 19,038,507.52
  4. Step 4: Simplify right side
    57,900,915.92x = 1,653,573,714,618,997
  5. Step 5: Solve for x
    x = 1,653,573,714,618,997/57,900,915.92
  6. Step 6: Final answer
    x = 28,558,679.74

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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.