Home / 72,005,605.48-99,343,410.93-46,876,272.48

Finding the Fourth Proportional to 72,005,605.48, 99,343,410.93 and 46,876,272.48

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Solution

The fourth proportional to 72,005,605.48, 99,343,410.93 and 46,876,272.48 is: 64,673,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005,605.48 : 99,343,410.93 = 46,876,272.48 : x
  2. Step 2: Convert to fraction form
    72,005,605.48/99,343,410.93 = 46,876,272.48/x
  3. Step 3: Cross multiply
    72,005,605.48x = 99,343,410.93 × 46,876,272.48
  4. Step 4: Simplify right side
    72,005,605.48x = 4,656,848,799,847,290
  5. Step 5: Solve for x
    x = 4,656,848,799,847,290/72,005,605.48
  6. Step 6: Final answer
    x = 64,673,420.48

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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.