Home / 165,888,005.20-248,832,007.80-104,973,931.60

Finding the Fourth Proportional to 165,888,005.20, 248,832,007.80 and 104,973,931.60

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Solution

The fourth proportional to 165,888,005.20, 248,832,007.80 and 104,973,931.60 is: 157,460,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,005.20 : 248,832,007.80 = 104,973,931.60 : x
  2. Step 2: Convert to fraction form
    165,888,005.20/248,832,007.80 = 104,973,931.60/x
  3. Step 3: Cross multiply
    165,888,005.20x = 248,832,007.80 × 104,973,931.60
  4. Step 4: Simplify right side
    165,888,005.20x = 26,120,874,166,687,868
  5. Step 5: Solve for x
    x = 26,120,874,166,687,868/165,888,005.20
  6. Step 6: Final answer
    x = 157,460,897.40

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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.