Home / 139,288,701.46-192,216,253.13-76,563,457.23

Finding the Fourth Proportional to 139,288,701.46, 192,216,253.13 and 76,563,457.23

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Solution

The fourth proportional to 139,288,701.46, 192,216,253.13 and 76,563,457.23 is: 105,656,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,288,701.46 : 192,216,253.13 = 76,563,457.23 : x
  2. Step 2: Convert to fraction form
    139,288,701.46/192,216,253.13 = 76,563,457.23/x
  3. Step 3: Cross multiply
    139,288,701.46x = 192,216,253.13 × 76,563,457.23
  4. Step 4: Simplify right side
    139,288,701.46x = 14,716,740,874,468,526
  5. Step 5: Solve for x
    x = 14,716,740,874,468,526/139,288,701.46
  6. Step 6: Final answer
    x = 105,656,386.49

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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.