Home / 425,360,148.05-638,045,302.40-118,633,598.93

Finding the Fourth Proportional to 425,360,148.05, 638,045,302.40 and 118,633,598.93

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Solution

The fourth proportional to 425,360,148.05, 638,045,302.40 and 118,633,598.93 is: 177,951,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,360,148.05 : 638,045,302.40 = 118,633,598.93 : x
  2. Step 2: Convert to fraction form
    425,360,148.05/638,045,302.40 = 118,633,598.93/x
  3. Step 3: Cross multiply
    425,360,148.05x = 638,045,302.40 × 118,633,598.93
  4. Step 4: Simplify right side
    425,360,148.05x = 75,693,610,505,538,992
  5. Step 5: Solve for x
    x = 75,693,610,505,538,992/425,360,148.05
  6. Step 6: Final answer
    x = 177,951,815.31

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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.