Home / 426,483,816.93-639,725,732.67-103,367,688.93

Finding the Fourth Proportional to 426,483,816.93, 639,725,732.67 and 103,367,688.93

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Solution

The fourth proportional to 426,483,816.93, 639,725,732.67 and 103,367,688.93 is: 155,051,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,483,816.93 : 639,725,732.67 = 103,367,688.93 : x
  2. Step 2: Convert to fraction form
    426,483,816.93/639,725,732.67 = 103,367,688.93/x
  3. Step 3: Cross multiply
    426,483,816.93x = 639,725,732.67 × 103,367,688.93
  4. Step 4: Simplify right side
    426,483,816.93x = 66,126,970,535,148,896
  5. Step 5: Solve for x
    x = 66,126,970,535,148,896/426,483,816.93
  6. Step 6: Final answer
    x = 155,051,535.16

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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.