Home / 155,847,514.02-215,069,821.32-86,235,828.90

Finding the Fourth Proportional to 155,847,514.02, 215,069,821.32 and 86,235,828.90

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Solution

The fourth proportional to 155,847,514.02, 215,069,821.32 and 86,235,828.90 is: 119,005,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,847,514.02 : 215,069,821.32 = 86,235,828.90 : x
  2. Step 2: Convert to fraction form
    155,847,514.02/215,069,821.32 = 86,235,828.90/x
  3. Step 3: Cross multiply
    155,847,514.02x = 215,069,821.32 × 86,235,828.90
  4. Step 4: Simplify right side
    155,847,514.02x = 18,546,724,312,905,092
  5. Step 5: Solve for x
    x = 18,546,724,312,905,092/155,847,514.02
  6. Step 6: Final answer
    x = 119,005,583.31

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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.