Home / 163,322,068.80-245,266,538.40-86,794,564.80

Finding the Fourth Proportional to 163,322,068.80, 245,266,538.40 and 86,794,564.80

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Solution

The fourth proportional to 163,322,068.80, 245,266,538.40 and 86,794,564.80 is: 130,342,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,322,068.80 : 245,266,538.40 = 86,794,564.80 : x
  2. Step 2: Convert to fraction form
    163,322,068.80/245,266,538.40 = 86,794,564.80/x
  3. Step 3: Cross multiply
    163,322,068.80x = 245,266,538.40 × 86,794,564.80
  4. Step 4: Simplify right side
    163,322,068.80x = 21,287,802,460,430,488
  5. Step 5: Solve for x
    x = 21,287,802,460,430,488/163,322,068.80
  6. Step 6: Final answer
    x = 130,342,473.72

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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.