Home / 128,480,547.33-177,303,380.24-69,743,252.25

Finding the Fourth Proportional to 128,480,547.33, 177,303,380.24 and 69,743,252.25

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Solution

The fourth proportional to 128,480,547.33, 177,303,380.24 and 69,743,252.25 is: 96,245,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,480,547.33 : 177,303,380.24 = 69,743,252.25 : x
  2. Step 2: Convert to fraction form
    128,480,547.33/177,303,380.24 = 69,743,252.25/x
  3. Step 3: Cross multiply
    128,480,547.33x = 177,303,380.24 × 69,743,252.25
  4. Step 4: Simplify right side
    128,480,547.33x = 12,365,714,371,620,754
  5. Step 5: Solve for x
    x = 12,365,714,371,620,754/128,480,547.33
  6. Step 6: Final answer
    x = 96,245,810.19

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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.