Home / 64,678,416.70-97,026,482.40-21,543,122.20

Finding the Fourth Proportional to 64,678,416.70, 97,026,482.40 and 21,543,122.20

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Solution

The fourth proportional to 64,678,416.70, 97,026,482.40 and 21,543,122.20 is: 32,317,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,678,416.70 : 97,026,482.40 = 21,543,122.20 : x
  2. Step 2: Convert to fraction form
    64,678,416.70/97,026,482.40 = 21,543,122.20/x
  3. Step 3: Cross multiply
    64,678,416.70x = 97,026,482.40 × 21,543,122.20
  4. Step 4: Simplify right side
    64,678,416.70x = 2,090,253,366,979,349.25
  5. Step 5: Solve for x
    x = 2,090,253,366,979,349.25/64,678,416.70
  6. Step 6: Final answer
    x = 32,317,633.51

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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.