Home / 128,804,233.02-177,749,707.07-70,066,758.03

Finding the Fourth Proportional to 128,804,233.02, 177,749,707.07 and 70,066,758.03

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Solution

The fourth proportional to 128,804,233.02, 177,749,707.07 and 70,066,758.03 is: 96,692,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,804,233.02 : 177,749,707.07 = 70,066,758.03 : x
  2. Step 2: Convert to fraction form
    128,804,233.02/177,749,707.07 = 70,066,758.03/x
  3. Step 3: Cross multiply
    128,804,233.02x = 177,749,707.07 × 70,066,758.03
  4. Step 4: Simplify right side
    128,804,233.02x = 12,454,345,714,826,736
  5. Step 5: Solve for x
    x = 12,454,345,714,826,736/128,804,233.02
  6. Step 6: Final answer
    x = 96,692,052.91

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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.