Home / 117,904,048.20-176,688,110.70-86,957,123.40

Finding the Fourth Proportional to 117,904,048.20, 176,688,110.70 and 86,957,123.40

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Solution

The fourth proportional to 117,904,048.20, 176,688,110.70 and 86,957,123.40 is: 130,311,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904,048.20 : 176,688,110.70 = 86,957,123.40 : x
  2. Step 2: Convert to fraction form
    117,904,048.20/176,688,110.70 = 86,957,123.40/x
  3. Step 3: Cross multiply
    117,904,048.20x = 176,688,110.70 × 86,957,123.40
  4. Step 4: Simplify right side
    117,904,048.20x = 15,364,289,845,452,760
  5. Step 5: Solve for x
    x = 15,364,289,845,452,760/117,904,048.20
  6. Step 6: Final answer
    x = 130,311,809.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.