Home / 155,440,295.01-214,417,683.50-100,436,151.51

Finding the Fourth Proportional to 155,440,295.01, 214,417,683.50 and 100,436,151.51

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Solution

The fourth proportional to 155,440,295.01, 214,417,683.50 and 100,436,151.51 is: 138,543,785.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440,295.01 : 214,417,683.50 = 100,436,151.51 : x
  2. Step 2: Convert to fraction form
    155,440,295.01/214,417,683.50 = 100,436,151.51/x
  3. Step 3: Cross multiply
    155,440,295.01x = 214,417,683.50 × 100,436,151.51
  4. Step 4: Simplify right side
    155,440,295.01x = 21,535,286,945,927,048
  5. Step 5: Solve for x
    x = 21,535,286,945,927,048/155,440,295.01
  6. Step 6: Final answer
    x = 138,543,785.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.