Home / 135,779,689.42-203,633,069.51-37,387,970.88

Finding the Fourth Proportional to 135,779,689.42, 203,633,069.51 and 37,387,970.88

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Solution

The fourth proportional to 135,779,689.42, 203,633,069.51 and 37,387,970.88 is: 56,071,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,779,689.42 : 203,633,069.51 = 37,387,970.88 : x
  2. Step 2: Convert to fraction form
    135,779,689.42/203,633,069.51 = 37,387,970.88/x
  3. Step 3: Cross multiply
    135,779,689.42x = 203,633,069.51 × 37,387,970.88
  4. Step 4: Simplify right side
    135,779,689.42x = 7,613,427,272,857,956
  5. Step 5: Solve for x
    x = 7,613,427,272,857,956/135,779,689.42
  6. Step 6: Final answer
    x = 56,071,915.51

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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.