Home / 70,884,002.40-106,326,003.60-42,115,329.60

Finding the Fourth Proportional to 70,884,002.40, 106,326,003.60 and 42,115,329.60

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Solution

The fourth proportional to 70,884,002.40, 106,326,003.60 and 42,115,329.60 is: 63,172,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,884,002.40 : 106,326,003.60 = 42,115,329.60 : x
  2. Step 2: Convert to fraction form
    70,884,002.40/106,326,003.60 = 42,115,329.60/x
  3. Step 3: Cross multiply
    70,884,002.40x = 106,326,003.60 × 42,115,329.60
  4. Step 4: Simplify right side
    70,884,002.40x = 4,477,954,686,664,786.50
  5. Step 5: Solve for x
    x = 4,477,954,686,664,786.50/70,884,002.40
  6. Step 6: Final answer
    x = 63,172,994.40

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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.