Home / 102,384,010.40-153,576,015.60-64,120,258.40

Finding the Fourth Proportional to 102,384,010.40, 153,576,015.60 and 64,120,258.40

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Solution

The fourth proportional to 102,384,010.40, 153,576,015.60 and 64,120,258.40 is: 96,180,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,010.40 : 153,576,015.60 = 64,120,258.40 : x
  2. Step 2: Convert to fraction form
    102,384,010.40/153,576,015.60 = 64,120,258.40/x
  3. Step 3: Cross multiply
    102,384,010.40x = 153,576,015.60 × 64,120,258.40
  4. Step 4: Simplify right side
    102,384,010.40x = 9,847,333,804,314,430
  5. Step 5: Solve for x
    x = 9,847,333,804,314,430/102,384,010.40
  6. Step 6: Final answer
    x = 96,180,387.60

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1.5x scale

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.