Home / 142,359,253.80-213,538,880.70-96,673,698.60

Finding the Fourth Proportional to 142,359,253.80, 213,538,880.70 and 96,673,698.60

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Solution

The fourth proportional to 142,359,253.80, 213,538,880.70 and 96,673,698.60 is: 145,010,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,359,253.80 : 213,538,880.70 = 96,673,698.60 : x
  2. Step 2: Convert to fraction form
    142,359,253.80/213,538,880.70 = 96,673,698.60/x
  3. Step 3: Cross multiply
    142,359,253.80x = 213,538,880.70 × 96,673,698.60
  4. Step 4: Simplify right side
    142,359,253.80x = 20,643,593,392,173,156
  5. Step 5: Solve for x
    x = 20,643,593,392,173,156/142,359,253.80
  6. Step 6: Final answer
    x = 145,010,547.90

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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.