Home / 171,426,688.12-236,564,805.77-100,866,868.56

Finding the Fourth Proportional to 171,426,688.12, 236,564,805.77 and 100,866,868.56

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Solution

The fourth proportional to 171,426,688.12, 236,564,805.77 and 100,866,868.56 is: 139,193,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,688.12 : 236,564,805.77 = 100,866,868.56 : x
  2. Step 2: Convert to fraction form
    171,426,688.12/236,564,805.77 = 100,866,868.56/x
  3. Step 3: Cross multiply
    171,426,688.12x = 236,564,805.77 × 100,866,868.56
  4. Step 4: Simplify right side
    171,426,688.12x = 23,861,551,169,020,184
  5. Step 5: Solve for x
    x = 23,861,551,169,020,184/171,426,688.12
  6. Step 6: Final answer
    x = 139,193,911.00

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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.