Home / 89,849,490.40-134,774,235.60-86,322,296.80

Finding the Fourth Proportional to 89,849,490.40, 134,774,235.60 and 86,322,296.80

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Solution

The fourth proportional to 89,849,490.40, 134,774,235.60 and 86,322,296.80 is: 129,483,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849,490.40 : 134,774,235.60 = 86,322,296.80 : x
  2. Step 2: Convert to fraction form
    89,849,490.40/134,774,235.60 = 86,322,296.80/x
  3. Step 3: Cross multiply
    89,849,490.40x = 134,774,235.60 × 86,322,296.80
  4. Step 4: Simplify right side
    89,849,490.40x = 11,634,021,566,456,326
  5. Step 5: Solve for x
    x = 11,634,021,566,456,326/89,849,490.40
  6. Step 6: Final answer
    x = 129,483,445.20

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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.