Home / 122,804,101.57-169,484,520.89-69,893,674.32

Finding the Fourth Proportional to 122,804,101.57, 169,484,520.89 and 69,893,674.32

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Solution

The fourth proportional to 122,804,101.57, 169,484,520.89 and 69,893,674.32 is: 96,461,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,804,101.57 : 169,484,520.89 = 69,893,674.32 : x
  2. Step 2: Convert to fraction form
    122,804,101.57/169,484,520.89 = 69,893,674.32/x
  3. Step 3: Cross multiply
    122,804,101.57x = 169,484,520.89 × 69,893,674.32
  4. Step 4: Simplify right side
    122,804,101.57x = 11,845,895,904,643,960
  5. Step 5: Solve for x
    x = 11,845,895,904,643,960/122,804,101.57
  6. Step 6: Final answer
    x = 96,461,728.50

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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.