Home / 155,796,110.76-214,979,901.93-89,738,092.88

Finding the Fourth Proportional to 155,796,110.76, 214,979,901.93 and 89,738,092.88

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Solution

The fourth proportional to 155,796,110.76, 214,979,901.93 and 89,738,092.88 is: 123,827,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,796,110.76 : 214,979,901.93 = 89,738,092.88 : x
  2. Step 2: Convert to fraction form
    155,796,110.76/214,979,901.93 = 89,738,092.88/x
  3. Step 3: Cross multiply
    155,796,110.76x = 214,979,901.93 × 89,738,092.88
  4. Step 4: Simplify right side
    155,796,110.76x = 19,291,886,406,727,632
  5. Step 5: Solve for x
    x = 19,291,886,406,727,632/155,796,110.76
  6. Step 6: Final answer
    x = 123,827,779.22

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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.