Home / 64,728,688.64-89,346,877.62-51,522,090.69

Finding the Fourth Proportional to 64,728,688.64, 89,346,877.62 and 51,522,090.69

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Solution

The fourth proportional to 64,728,688.64, 89,346,877.62 and 51,522,090.69 is: 71,117,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728,688.64 : 89,346,877.62 = 51,522,090.69 : x
  2. Step 2: Convert to fraction form
    64,728,688.64/89,346,877.62 = 51,522,090.69/x
  3. Step 3: Cross multiply
    64,728,688.64x = 89,346,877.62 × 51,522,090.69
  4. Step 4: Simplify right side
    64,728,688.64x = 4,603,337,931,605,971
  5. Step 5: Solve for x
    x = 4,603,337,931,605,971/64,728,688.64
  6. Step 6: Final answer
    x = 71,117,429.20

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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.