Home / 159,230,145,938.58-238,846,111,802.73-53,111,920,865.51

Finding the Fourth Proportional to 159,230,145,938.58, 238,846,111,802.73 and 53,111,920,865.51

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Solution

The fourth proportional to 159,230,145,938.58, 238,846,111,802.73 and 53,111,920,865.51 is: 79,668,179,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,230,145,938.58 : 238,846,111,802.73 = 53,111,920,865.51 : x
  2. Step 2: Convert to fraction form
    159,230,145,938.58/238,846,111,802.73 = 53,111,920,865.51/x
  3. Step 3: Cross multiply
    159,230,145,938.58x = 238,846,111,802.73 × 53,111,920,865.51
  4. Step 4: Simplify right side
    159,230,145,938.58x = 12,685,575,789,102,067,875,840
  5. Step 5: Solve for x
    x = 12,685,575,789,102,067,875,840/159,230,145,938.58
  6. Step 6: Final answer
    x = 79,668,179,127.31

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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.