Home / 302,430,003.80-453,645,005.70-87,019,251.80

Finding the Fourth Proportional to 302,430,003.80, 453,645,005.70 and 87,019,251.80

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Solution

The fourth proportional to 302,430,003.80, 453,645,005.70 and 87,019,251.80 is: 130,528,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430,003.80 : 453,645,005.70 = 87,019,251.80 : x
  2. Step 2: Convert to fraction form
    302,430,003.80/453,645,005.70 = 87,019,251.80/x
  3. Step 3: Cross multiply
    302,430,003.80x = 453,645,005.70 × 87,019,251.80
  4. Step 4: Simplify right side
    302,430,003.80x = 39,475,848,978,820,736
  5. Step 5: Solve for x
    x = 39,475,848,978,820,736/302,430,003.80
  6. Step 6: Final answer
    x = 130,528,877.70

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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.