Home / 91,663,650.29-126,828,935.93-79,927,391.68

Finding the Fourth Proportional to 91,663,650.29, 126,828,935.93 and 79,927,391.68

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Solution

The fourth proportional to 91,663,650.29, 126,828,935.93 and 79,927,391.68 is: 110,590,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663,650.29 : 126,828,935.93 = 79,927,391.68 : x
  2. Step 2: Convert to fraction form
    91,663,650.29/126,828,935.93 = 79,927,391.68/x
  3. Step 3: Cross multiply
    91,663,650.29x = 126,828,935.93 × 79,927,391.68
  4. Step 4: Simplify right side
    91,663,650.29x = 10,137,106,037,718,024
  5. Step 5: Solve for x
    x = 10,137,106,037,718,024/91,663,650.29
  6. Step 6: Final answer
    x = 110,590,250.39

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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.