Home / 171,426,690.83-236,564,809.54-100,866,871.25

Finding the Fourth Proportional to 171,426,690.83, 236,564,809.54 and 100,866,871.25

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Solution

The fourth proportional to 171,426,690.83, 236,564,809.54 and 100,866,871.25 is: 139,193,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,426,690.83 : 236,564,809.54 = 100,866,871.25 : x
  2. Step 2: Convert to fraction form
    171,426,690.83/236,564,809.54 = 100,866,871.25/x
  3. Step 3: Cross multiply
    171,426,690.83x = 236,564,809.54 × 100,866,871.25
  4. Step 4: Simplify right side
    171,426,690.83x = 23,861,552,184,716,960
  5. Step 5: Solve for x
    x = 23,861,552,184,716,960/171,426,690.83
  6. Step 6: Final answer
    x = 139,193,914.72

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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.