Home / 102,470,743.86-141,411,220.83-56,061,772.80

Finding the Fourth Proportional to 102,470,743.86, 141,411,220.83 and 56,061,772.80

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Solution

The fourth proportional to 102,470,743.86, 141,411,220.83 and 56,061,772.80 is: 77,366,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,470,743.86 : 141,411,220.83 = 56,061,772.80 : x
  2. Step 2: Convert to fraction form
    102,470,743.86/141,411,220.83 = 56,061,772.80/x
  3. Step 3: Cross multiply
    102,470,743.86x = 141,411,220.83 × 56,061,772.80
  4. Step 4: Simplify right side
    102,470,743.86x = 7,927,763,733,542,088
  5. Step 5: Solve for x
    x = 7,927,763,733,542,088/102,470,743.86
  6. Step 6: Final answer
    x = 77,366,118.71

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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.