Home / 80,343,054.18-110,874,629.59-45,068,678.59

Finding the Fourth Proportional to 80,343,054.18, 110,874,629.59 and 45,068,678.59

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Solution

The fourth proportional to 80,343,054.18, 110,874,629.59 and 45,068,678.59 is: 62,195,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,343,054.18 : 110,874,629.59 = 45,068,678.59 : x
  2. Step 2: Convert to fraction form
    80,343,054.18/110,874,629.59 = 45,068,678.59/x
  3. Step 3: Cross multiply
    80,343,054.18x = 110,874,629.59 × 45,068,678.59
  4. Step 4: Simplify right side
    80,343,054.18x = 4,996,973,044,777,014
  5. Step 5: Solve for x
    x = 4,996,973,044,777,014/80,343,054.18
  6. Step 6: Final answer
    x = 62,195,457.91

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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.