Home / 97,018,977.20-145,528,465.80-87,453,039.20

Finding the Fourth Proportional to 97,018,977.20, 145,528,465.80 and 87,453,039.20

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Solution

The fourth proportional to 97,018,977.20, 145,528,465.80 and 87,453,039.20 is: 131,179,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,018,977.20 : 145,528,465.80 = 87,453,039.20 : x
  2. Step 2: Convert to fraction form
    97,018,977.20/145,528,465.80 = 87,453,039.20/x
  3. Step 3: Cross multiply
    97,018,977.20x = 145,528,465.80 × 87,453,039.20
  4. Step 4: Simplify right side
    97,018,977.20x = 12,726,906,624,323,260
  5. Step 5: Solve for x
    x = 12,726,906,624,323,260/97,018,977.20
  6. Step 6: Final answer
    x = 131,179,558.80

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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.