Home / 139,249,809.76-192,009,771.12-95,203,953.76

Finding the Fourth Proportional to 139,249,809.76, 192,009,771.12 and 95,203,953.76

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Solution

The fourth proportional to 139,249,809.76, 192,009,771.12 and 95,203,953.76 is: 131,275,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,249,809.76 : 192,009,771.12 = 95,203,953.76 : x
  2. Step 2: Convert to fraction form
    139,249,809.76/192,009,771.12 = 95,203,953.76/x
  3. Step 3: Cross multiply
    139,249,809.76x = 192,009,771.12 × 95,203,953.76
  4. Step 4: Simplify right side
    139,249,809.76x = 18,280,089,371,176,664
  5. Step 5: Solve for x
    x = 18,280,089,371,176,664/139,249,809.76
  6. Step 6: Final answer
    x = 131,275,506.97

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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.