Home / 78,307,252.10-108,064,746.57-43,025,797.49

Finding the Fourth Proportional to 78,307,252.10, 108,064,746.57 and 43,025,797.49

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Solution

The fourth proportional to 78,307,252.10, 108,064,746.57 and 43,025,797.49 is: 59,376,006.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,307,252.10 : 108,064,746.57 = 43,025,797.49 : x
  2. Step 2: Convert to fraction form
    78,307,252.10/108,064,746.57 = 43,025,797.49/x
  3. Step 3: Cross multiply
    78,307,252.10x = 108,064,746.57 × 43,025,797.49
  4. Step 4: Simplify right side
    78,307,252.10x = 4,649,571,901,350,015
  5. Step 5: Solve for x
    x = 4,649,571,901,350,015/78,307,252.10
  6. Step 6: Final answer
    x = 59,376,006.39

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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.