Home / 72,435,703.15-108,653,554.73-43,667,030.35

Finding the Fourth Proportional to 72,435,703.15, 108,653,554.73 and 43,667,030.35

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Solution

The fourth proportional to 72,435,703.15, 108,653,554.73 and 43,667,030.35 is: 65,500,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435,703.15 : 108,653,554.73 = 43,667,030.35 : x
  2. Step 2: Convert to fraction form
    72,435,703.15/108,653,554.73 = 43,667,030.35/x
  3. Step 3: Cross multiply
    72,435,703.15x = 108,653,554.73 × 43,667,030.35
  4. Step 4: Simplify right side
    72,435,703.15x = 4,744,578,072,030,296
  5. Step 5: Solve for x
    x = 4,744,578,072,030,296/72,435,703.15
  6. Step 6: Final answer
    x = 65,500,545.53

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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.