Home / 93,073,131-128,441,806.52-51,820,909.11

Finding the Fourth Proportional to 93,073,131, 128,441,806.52 and 51,820,909.11

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Solution

The fourth proportional to 93,073,131, 128,441,806.52 and 51,820,909.11 is: 71,513,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073,131 : 128,441,806.52 = 51,820,909.11 : x
  2. Step 2: Convert to fraction form
    93,073,131/128,441,806.52 = 51,820,909.11/x
  3. Step 3: Cross multiply
    93,073,131x = 128,441,806.52 × 51,820,909.11
  4. Step 4: Simplify right side
    93,073,131x = 6,655,971,181,338,021
  5. Step 5: Solve for x
    x = 6,655,971,181,338,021/93,073,131
  6. Step 6: Final answer
    x = 71,513,347.73

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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.