Home / 72,037,053.06-99,411,165.39-38,997,301.09

Finding the Fourth Proportional to 72,037,053.06, 99,411,165.39 and 38,997,301.09

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Solution

The fourth proportional to 72,037,053.06, 99,411,165.39 and 38,997,301.09 is: 53,816,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037,053.06 : 99,411,165.39 = 38,997,301.09 : x
  2. Step 2: Convert to fraction form
    72,037,053.06/99,411,165.39 = 38,997,301.09/x
  3. Step 3: Cross multiply
    72,037,053.06x = 99,411,165.39 × 38,997,301.09
  4. Step 4: Simplify right side
    72,037,053.06x = 3,876,767,148,226,631.50
  5. Step 5: Solve for x
    x = 3,876,767,148,226,631.50/72,037,053.06
  6. Step 6: Final answer
    x = 53,816,292.92

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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.