Home / 78,177,141.24-107,884,579.50-43,369,831.32

Finding the Fourth Proportional to 78,177,141.24, 107,884,579.50 and 43,369,831.32

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Solution

The fourth proportional to 78,177,141.24, 107,884,579.50 and 43,369,831.32 is: 59,850,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,177,141.24 : 107,884,579.50 = 43,369,831.32 : x
  2. Step 2: Convert to fraction form
    78,177,141.24/107,884,579.50 = 43,369,831.32/x
  3. Step 3: Cross multiply
    78,177,141.24x = 107,884,579.50 × 43,369,831.32
  4. Step 4: Simplify right side
    78,177,141.24x = 4,678,936,014,944,130
  5. Step 5: Solve for x
    x = 4,678,936,014,944,130/78,177,141.24
  6. Step 6: Final answer
    x = 59,850,436.34

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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.