Home / 64,408,056.20-96,584,090.70-21,260,587.40

Finding the Fourth Proportional to 64,408,056.20, 96,584,090.70 and 21,260,587.40

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Solution

The fourth proportional to 64,408,056.20, 96,584,090.70 and 21,260,587.40 is: 31,881,640.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408,056.20 : 96,584,090.70 = 21,260,587.40 : x
  2. Step 2: Convert to fraction form
    64,408,056.20/96,584,090.70 = 21,260,587.40/x
  3. Step 3: Cross multiply
    64,408,056.20x = 96,584,090.70 × 21,260,587.40
  4. Step 4: Simplify right side
    64,408,056.20x = 2,053,434,501,776,877
  5. Step 5: Solve for x
    x = 2,053,434,501,776,877/64,408,056.20
  6. Step 6: Final answer
    x = 31,881,640.64

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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.