Home / 139,284,421.74-192,009,911.43-97,338,253.80

Finding the Fourth Proportional to 139,284,421.74, 192,009,911.43 and 97,338,253.80

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Solution

The fourth proportional to 139,284,421.74, 192,009,911.43 and 97,338,253.80 is: 134,185,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,284,421.74 : 192,009,911.43 = 97,338,253.80 : x
  2. Step 2: Convert to fraction form
    139,284,421.74/192,009,911.43 = 97,338,253.80/x
  3. Step 3: Cross multiply
    139,284,421.74x = 192,009,911.43 × 97,338,253.80
  4. Step 4: Simplify right side
    139,284,421.74x = 18,689,909,490,888,860
  5. Step 5: Solve for x
    x = 18,689,909,490,888,860/139,284,421.74
  6. Step 6: Final answer
    x = 134,185,210.79

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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.