Home / 78,490,303.31-108,316,618.84-43,691,214.50

Finding the Fourth Proportional to 78,490,303.31, 108,316,618.84 and 43,691,214.50

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Solution

The fourth proportional to 78,490,303.31, 108,316,618.84 and 43,691,214.50 is: 60,293,876.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,490,303.31 : 108,316,618.84 = 43,691,214.50 : x
  2. Step 2: Convert to fraction form
    78,490,303.31/108,316,618.84 = 43,691,214.50/x
  3. Step 3: Cross multiply
    78,490,303.31x = 108,316,618.84 × 43,691,214.50
  4. Step 4: Simplify right side
    78,490,303.31x = 4,732,484,627,002,370
  5. Step 5: Solve for x
    x = 4,732,484,627,002,370/78,490,303.31
  6. Step 6: Final answer
    x = 60,293,876.16

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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.