Home / 102,362,912.10-153,544,368.15-63,620,863.20

Finding the Fourth Proportional to 102,362,912.10, 153,544,368.15 and 63,620,863.20

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Solution

The fourth proportional to 102,362,912.10, 153,544,368.15 and 63,620,863.20 is: 95,431,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,362,912.10 : 153,544,368.15 = 63,620,863.20 : x
  2. Step 2: Convert to fraction form
    102,362,912.10/153,544,368.15 = 63,620,863.20/x
  3. Step 3: Cross multiply
    102,362,912.10x = 153,544,368.15 × 63,620,863.20
  4. Step 4: Simplify right side
    102,362,912.10x = 9,768,625,241,201,588
  5. Step 5: Solve for x
    x = 9,768,625,241,201,588/102,362,912.10
  6. Step 6: Final answer
    x = 95,431,294.80

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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.