Home / 64,478,846.40-96,771,146.40-63,974,961.60

Finding the Fourth Proportional to 64,478,846.40, 96,771,146.40 and 63,974,961.60

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Solution

The fourth proportional to 64,478,846.40, 96,771,146.40 and 63,974,961.60 is: 96,014,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478,846.40 : 96,771,146.40 = 63,974,961.60 : x
  2. Step 2: Convert to fraction form
    64,478,846.40/96,771,146.40 = 63,974,961.60/x
  3. Step 3: Cross multiply
    64,478,846.40x = 96,771,146.40 × 63,974,961.60
  4. Step 4: Simplify right side
    64,478,846.40x = 6,190,930,374,927,979
  5. Step 5: Solve for x
    x = 6,190,930,374,927,979/64,478,846.40
  6. Step 6: Final answer
    x = 96,014,905.98

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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.