Home / 163,666,610.52-245,545,974-71,558,437.38

Finding the Fourth Proportional to 163,666,610.52, 245,545,974 and 71,558,437.38

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Solution

The fourth proportional to 163,666,610.52, 245,545,974 and 71,558,437.38 is: 107,357,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666,610.52 : 245,545,974 = 71,558,437.38 : x
  2. Step 2: Convert to fraction form
    163,666,610.52/245,545,974 = 71,558,437.38/x
  3. Step 3: Cross multiply
    163,666,610.52x = 245,545,974 × 71,558,437.38
  4. Step 4: Simplify right side
    163,666,610.52x = 17,570,886,204,390,106
  5. Step 5: Solve for x
    x = 17,570,886,204,390,106/163,666,610.52
  6. Step 6: Final answer
    x = 107,357,793.68

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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.