Home / 196,101,030.30-294,151,545.45-66,854,579.10

Finding the Fourth Proportional to 196,101,030.30, 294,151,545.45 and 66,854,579.10

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Solution

The fourth proportional to 196,101,030.30, 294,151,545.45 and 66,854,579.10 is: 100,281,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,101,030.30 : 294,151,545.45 = 66,854,579.10 : x
  2. Step 2: Convert to fraction form
    196,101,030.30/294,151,545.45 = 66,854,579.10/x
  3. Step 3: Cross multiply
    196,101,030.30x = 294,151,545.45 × 66,854,579.10
  4. Step 4: Simplify right side
    196,101,030.30x = 19,665,377,762,674,268
  5. Step 5: Solve for x
    x = 19,665,377,762,674,268/196,101,030.30
  6. Step 6: Final answer
    x = 100,281,868.65

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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.