Home / 160,071,445.80-220,898,743.38-86,732,587.80

Finding the Fourth Proportional to 160,071,445.80, 220,898,743.38 and 86,732,587.80

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Solution

The fourth proportional to 160,071,445.80, 220,898,743.38 and 86,732,587.80 is: 119,691,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,071,445.80 : 220,898,743.38 = 86,732,587.80 : x
  2. Step 2: Convert to fraction form
    160,071,445.80/220,898,743.38 = 86,732,587.80/x
  3. Step 3: Cross multiply
    160,071,445.80x = 220,898,743.38 × 86,732,587.80
  4. Step 4: Simplify right side
    160,071,445.80x = 19,159,119,655,115,516
  5. Step 5: Solve for x
    x = 19,159,119,655,115,516/160,071,445.80
  6. Step 6: Final answer
    x = 119,691,051.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.