Home / 70,883,908.40-106,325,862.60-42,115,235.60

Finding the Fourth Proportional to 70,883,908.40, 106,325,862.60 and 42,115,235.60

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Solution

The fourth proportional to 70,883,908.40, 106,325,862.60 and 42,115,235.60 is: 63,172,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883,908.40 : 106,325,862.60 = 42,115,235.60 : x
  2. Step 2: Convert to fraction form
    70,883,908.40/106,325,862.60 = 42,115,235.60/x
  3. Step 3: Cross multiply
    70,883,908.40x = 106,325,862.60 × 42,115,235.60
  4. Step 4: Simplify right side
    70,883,908.40x = 4,477,938,753,772,228.50
  5. Step 5: Solve for x
    x = 4,477,938,753,772,228.50/70,883,908.40
  6. Step 6: Final answer
    x = 63,172,853.40

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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.