Home / 124,579,362.80-186,901,703.40-47,904,892.40

Finding the Fourth Proportional to 124,579,362.80, 186,901,703.40 and 47,904,892.40

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Solution

The fourth proportional to 124,579,362.80, 186,901,703.40 and 47,904,892.40 is: 71,869,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579,362.80 : 186,901,703.40 = 47,904,892.40 : x
  2. Step 2: Convert to fraction form
    124,579,362.80/186,901,703.40 = 47,904,892.40/x
  3. Step 3: Cross multiply
    124,579,362.80x = 186,901,703.40 × 47,904,892.40
  4. Step 4: Simplify right side
    124,579,362.80x = 8,953,505,990,753,714
  5. Step 5: Solve for x
    x = 8,953,505,990,753,714/124,579,362.80
  6. Step 6: Final answer
    x = 71,869,897.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.