Home / 77,507,979.20-116,179,024.80-26,342,590.40

Finding the Fourth Proportional to 77,507,979.20, 116,179,024.80 and 26,342,590.40

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Solution

The fourth proportional to 77,507,979.20, 116,179,024.80 and 26,342,590.40 is: 39,485,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,507,979.20 : 116,179,024.80 = 26,342,590.40 : x
  2. Step 2: Convert to fraction form
    77,507,979.20/116,179,024.80 = 26,342,590.40/x
  3. Step 3: Cross multiply
    77,507,979.20x = 116,179,024.80 × 26,342,590.40
  4. Step 4: Simplify right side
    77,507,979.20x = 3,060,456,463,377,841.50
  5. Step 5: Solve for x
    x = 3,060,456,463,377,841.50/77,507,979.20
  6. Step 6: Final answer
    x = 39,485,695.47

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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.