Home / 72,580,448.70-108,744,701.85-47,008,295.10

Finding the Fourth Proportional to 72,580,448.70, 108,744,701.85 and 47,008,295.10

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Solution

The fourth proportional to 72,580,448.70, 108,744,701.85 and 47,008,295.10 is: 70,430,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580,448.70 : 108,744,701.85 = 47,008,295.10 : x
  2. Step 2: Convert to fraction form
    72,580,448.70/108,744,701.85 = 47,008,295.10/x
  3. Step 3: Cross multiply
    72,580,448.70x = 108,744,701.85 × 47,008,295.10
  4. Step 4: Simplify right side
    72,580,448.70x = 5,111,903,035,126,316
  5. Step 5: Solve for x
    x = 5,111,903,035,126,316/72,580,448.70
  6. Step 6: Final answer
    x = 70,430,854.68

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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.