Home / 72,832,189,606.55-109,239,939,156.12-19,054,516,816.45

Finding the Fourth Proportional to 72,832,189,606.55, 109,239,939,156.12 and 19,054,516,816.45

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Solution

The fourth proportional to 72,832,189,606.55, 109,239,939,156.12 and 19,054,516,816.45 is: 28,579,591,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832,189,606.55 : 109,239,939,156.12 = 19,054,516,816.45 : x
  2. Step 2: Convert to fraction form
    72,832,189,606.55/109,239,939,156.12 = 19,054,516,816.45/x
  3. Step 3: Cross multiply
    72,832,189,606.55x = 109,239,939,156.12 × 19,054,516,816.45
  4. Step 4: Simplify right side
    72,832,189,606.55x = 2,081,514,257,678,481,752,064
  5. Step 5: Solve for x
    x = 2,081,514,257,678,481,752,064/72,832,189,606.55
  6. Step 6: Final answer
    x = 28,579,591,921.14

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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.