Home / 105,125,811.31-157,787,642.27-53,347,588.39

Finding the Fourth Proportional to 105,125,811.31, 157,787,642.27 and 53,347,588.39

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Solution

The fourth proportional to 105,125,811.31, 157,787,642.27 and 53,347,588.39 is: 80,071,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,125,811.31 : 157,787,642.27 = 53,347,588.39 : x
  2. Step 2: Convert to fraction form
    105,125,811.31/157,787,642.27 = 53,347,588.39/x
  3. Step 3: Cross multiply
    105,125,811.31x = 157,787,642.27 × 53,347,588.39
  4. Step 4: Simplify right side
    105,125,811.31x = 8,417,590,192,848,526
  5. Step 5: Solve for x
    x = 8,417,590,192,848,526/105,125,811.31
  6. Step 6: Final answer
    x = 80,071,583.64

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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.