Home / 65,175,065.40-97,775,720.10-19,116,845.40

Finding the Fourth Proportional to 65,175,065.40, 97,775,720.10 and 19,116,845.40

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Solution

The fourth proportional to 65,175,065.40, 97,775,720.10 and 19,116,845.40 is: 28,679,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175,065.40 : 97,775,720.10 = 19,116,845.40 : x
  2. Step 2: Convert to fraction form
    65,175,065.40/97,775,720.10 = 19,116,845.40/x
  3. Step 3: Cross multiply
    65,175,065.40x = 97,775,720.10 × 19,116,845.40
  4. Step 4: Simplify right side
    65,175,065.40x = 1,869,163,325,025,372.25
  5. Step 5: Solve for x
    x = 1,869,163,325,025,372.25/65,175,065.40
  6. Step 6: Final answer
    x = 28,679,116.98

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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.