Home / 235,294,315.42-324,699,635.91-128,000,080.38

Finding the Fourth Proportional to 235,294,315.42, 324,699,635.91 and 128,000,080.38

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Solution

The fourth proportional to 235,294,315.42, 324,699,635.91 and 128,000,080.38 is: 176,636,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,294,315.42 : 324,699,635.91 = 128,000,080.38 : x
  2. Step 2: Convert to fraction form
    235,294,315.42/324,699,635.91 = 128,000,080.38/x
  3. Step 3: Cross multiply
    235,294,315.42x = 324,699,635.91 × 128,000,080.38
  4. Step 4: Simplify right side
    235,294,315.42x = 41,561,579,495,541,632
  5. Step 5: Solve for x
    x = 41,561,579,495,541,632/235,294,315.42
  6. Step 6: Final answer
    x = 176,636,564.39

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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.