Home / 72,879,873.29-100,574,894.35-41,517,457.45

Finding the Fourth Proportional to 72,879,873.29, 100,574,894.35 and 41,517,457.45

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Solution

The fourth proportional to 72,879,873.29, 100,574,894.35 and 41,517,457.45 is: 57,294,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,879,873.29 : 100,574,894.35 = 41,517,457.45 : x
  2. Step 2: Convert to fraction form
    72,879,873.29/100,574,894.35 = 41,517,457.45/x
  3. Step 3: Cross multiply
    72,879,873.29x = 100,574,894.35 × 41,517,457.45
  4. Step 4: Simplify right side
    72,879,873.29x = 4,175,613,896,714,370.50
  5. Step 5: Solve for x
    x = 4,175,613,896,714,370.50/72,879,873.29
  6. Step 6: Final answer
    x = 57,294,472.51

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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.