Home / 123,325,023.76-170,146,635.08-70,363,684.52

Finding the Fourth Proportional to 123,325,023.76, 170,146,635.08 and 70,363,684.52

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Solution

The fourth proportional to 123,325,023.76, 170,146,635.08 and 70,363,684.52 is: 97,077,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325,023.76 : 170,146,635.08 = 70,363,684.52 : x
  2. Step 2: Convert to fraction form
    123,325,023.76/170,146,635.08 = 70,363,684.52/x
  3. Step 3: Cross multiply
    123,325,023.76x = 170,146,635.08 × 70,363,684.52
  4. Step 4: Simplify right side
    123,325,023.76x = 11,972,144,152,908,686
  5. Step 5: Solve for x
    x = 11,972,144,152,908,686/123,325,023.76
  6. Step 6: Final answer
    x = 97,077,979.70

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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.