Home / 65,109,600.90-97,679,953.35-19,671,840.90

Finding the Fourth Proportional to 65,109,600.90, 97,679,953.35 and 19,671,840.90

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Solution

The fourth proportional to 65,109,600.90, 97,679,953.35 and 19,671,840.90 is: 29,512,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,109,600.90 : 97,679,953.35 = 19,671,840.90 : x
  2. Step 2: Convert to fraction form
    65,109,600.90/97,679,953.35 = 19,671,840.90/x
  3. Step 3: Cross multiply
    65,109,600.90x = 97,679,953.35 × 19,671,840.90
  4. Step 4: Simplify right side
    65,109,600.90x = 1,921,544,501,420,621.75
  5. Step 5: Solve for x
    x = 1,921,544,501,420,621.75/65,109,600.90
  6. Step 6: Final answer
    x = 29,512,460.14

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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.