Home / 122,804,140.23-169,484,574.08-69,893,712.32

Finding the Fourth Proportional to 122,804,140.23, 169,484,574.08 and 69,893,712.32

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Solution

The fourth proportional to 122,804,140.23, 169,484,574.08 and 69,893,712.32 is: 96,461,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,804,140.23 : 169,484,574.08 = 69,893,712.32 : x
  2. Step 2: Convert to fraction form
    122,804,140.23/169,484,574.08 = 69,893,712.32/x
  3. Step 3: Cross multiply
    122,804,140.23x = 169,484,574.08 × 69,893,712.32
  4. Step 4: Simplify right side
    122,804,140.23x = 11,845,906,062,752,560
  5. Step 5: Solve for x
    x = 11,845,906,062,752,560/122,804,140.23
  6. Step 6: Final answer
    x = 96,461,780.85

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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.