Home / 103,898,341.68-143,379,879.48-57,490,551.60

Finding the Fourth Proportional to 103,898,341.68, 143,379,879.48 and 57,490,551.60

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Solution

The fourth proportional to 103,898,341.68, 143,379,879.48 and 57,490,551.60 is: 79,337,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,898,341.68 : 143,379,879.48 = 57,490,551.60 : x
  2. Step 2: Convert to fraction form
    103,898,341.68/143,379,879.48 = 57,490,551.60/x
  3. Step 3: Cross multiply
    103,898,341.68x = 143,379,879.48 × 57,490,551.60
  4. Step 4: Simplify right side
    103,898,341.68x = 8,242,988,359,646,721
  5. Step 5: Solve for x
    x = 8,242,988,359,646,721/103,898,341.68
  6. Step 6: Final answer
    x = 79,337,054.15

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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.