Home / 102,112,383.60-153,168,575.40-69,863,756.40

Finding the Fourth Proportional to 102,112,383.60, 153,168,575.40 and 69,863,756.40

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Solution

The fourth proportional to 102,112,383.60, 153,168,575.40 and 69,863,756.40 is: 104,795,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,112,383.60 : 153,168,575.40 = 69,863,756.40 : x
  2. Step 2: Convert to fraction form
    102,112,383.60/153,168,575.40 = 69,863,756.40/x
  3. Step 3: Cross multiply
    102,112,383.60x = 153,168,575.40 × 69,863,756.40
  4. Step 4: Simplify right side
    102,112,383.60x = 10,700,932,039,880,634
  5. Step 5: Solve for x
    x = 10,700,932,039,880,634/102,112,383.60
  6. Step 6: Final answer
    x = 104,795,634.60

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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.