Home / 77,598,012.53-107,087,842.44-42,317,742.57

Finding the Fourth Proportional to 77,598,012.53, 107,087,842.44 and 42,317,742.57

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Solution

The fourth proportional to 77,598,012.53, 107,087,842.44 and 42,317,742.57 is: 58,399,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,598,012.53 : 107,087,842.44 = 42,317,742.57 : x
  2. Step 2: Convert to fraction form
    77,598,012.53/107,087,842.44 = 42,317,742.57/x
  3. Step 3: Cross multiply
    77,598,012.53x = 107,087,842.44 × 42,317,742.57
  4. Step 4: Simplify right side
    77,598,012.53x = 4,531,715,748,995,528
  5. Step 5: Solve for x
    x = 4,531,715,748,995,528/77,598,012.53
  6. Step 6: Final answer
    x = 58,399,894.55

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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.