Home / 128,804,223.93-177,749,694.52-70,066,748.94

Finding the Fourth Proportional to 128,804,223.93, 177,749,694.52 and 70,066,748.94

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Solution

The fourth proportional to 128,804,223.93, 177,749,694.52 and 70,066,748.94 is: 96,692,040.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,804,223.93 : 177,749,694.52 = 70,066,748.94 : x
  2. Step 2: Convert to fraction form
    128,804,223.93/177,749,694.52 = 70,066,748.94/x
  3. Step 3: Cross multiply
    128,804,223.93x = 177,749,694.52 × 70,066,748.94
  4. Step 4: Simplify right side
    128,804,223.93x = 12,454,343,220,646,422
  5. Step 5: Solve for x
    x = 12,454,343,220,646,422/128,804,223.93
  6. Step 6: Final answer
    x = 96,692,040.38

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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.