Home / 125,005,998.04-172,518,870.84-69,268,901.94

Finding the Fourth Proportional to 125,005,998.04, 172,518,870.84 and 69,268,901.94

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Solution

The fourth proportional to 125,005,998.04, 172,518,870.84 and 69,268,901.94 is: 95,596,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005,998.04 : 172,518,870.84 = 69,268,901.94 : x
  2. Step 2: Convert to fraction form
    125,005,998.04/172,518,870.84 = 69,268,901.94/x
  3. Step 3: Cross multiply
    125,005,998.04x = 172,518,870.84 × 69,268,901.94
  4. Step 4: Simplify right side
    125,005,998.04x = 11,950,192,746,755,728
  5. Step 5: Solve for x
    x = 11,950,192,746,755,728/125,005,998.04
  6. Step 6: Final answer
    x = 95,596,954.82

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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.