Home / 138,050,842.03-190,514,148.39-76,175,166.31

Finding the Fourth Proportional to 138,050,842.03, 190,514,148.39 and 76,175,166.31

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Solution

The fourth proportional to 138,050,842.03, 190,514,148.39 and 76,175,166.31 is: 105,123,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,050,842.03 : 190,514,148.39 = 76,175,166.31 : x
  2. Step 2: Convert to fraction form
    138,050,842.03/190,514,148.39 = 76,175,166.31/x
  3. Step 3: Cross multiply
    138,050,842.03x = 190,514,148.39 × 76,175,166.31
  4. Step 4: Simplify right side
    138,050,842.03x = 14,512,446,937,539,984
  5. Step 5: Solve for x
    x = 14,512,446,937,539,984/138,050,842.03
  6. Step 6: Final answer
    x = 105,123,929.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.