Home / 139,014,799.01-191,840,423.07-77,145,093.89

Finding the Fourth Proportional to 139,014,799.01, 191,840,423.07 and 77,145,093.89

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Solution

The fourth proportional to 139,014,799.01, 191,840,423.07 and 77,145,093.89 is: 106,460,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014,799.01 : 191,840,423.07 = 77,145,093.89 : x
  2. Step 2: Convert to fraction form
    139,014,799.01/191,840,423.07 = 77,145,093.89/x
  3. Step 3: Cross multiply
    139,014,799.01x = 191,840,423.07 × 77,145,093.89
  4. Step 4: Simplify right side
    139,014,799.01x = 14,799,547,448,673,270
  5. Step 5: Solve for x
    x = 14,799,547,448,673,270/139,014,799.01
  6. Step 6: Final answer
    x = 106,460,229.81

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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.