Home / 217,897,343.66-300,695,886.09-118,775,920.79

Finding the Fourth Proportional to 217,897,343.66, 300,695,886.09 and 118,775,920.79

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Solution

The fourth proportional to 217,897,343.66, 300,695,886.09 and 118,775,920.79 is: 163,909,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,897,343.66 : 300,695,886.09 = 118,775,920.79 : x
  2. Step 2: Convert to fraction form
    217,897,343.66/300,695,886.09 = 118,775,920.79/x
  3. Step 3: Cross multiply
    217,897,343.66x = 300,695,886.09 × 118,775,920.79
  4. Step 4: Simplify right side
    217,897,343.66x = 35,715,430,748,856,440
  5. Step 5: Solve for x
    x = 35,715,430,748,856,440/217,897,343.66
  6. Step 6: Final answer
    x = 163,909,436.20

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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.