Home / 142,190,484,277.30-213,253,088,498.80-84,773,564,591.78

Finding the Fourth Proportional to 142,190,484,277.30, 213,253,088,498.80 and 84,773,564,591.78

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Solution

The fourth proportional to 142,190,484,277.30, 213,253,088,498.80 and 84,773,564,591.78 is: 127,140,888,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,190,484,277.30 : 213,253,088,498.80 = 84,773,564,591.78 : x
  2. Step 2: Convert to fraction form
    142,190,484,277.30/213,253,088,498.80 = 84,773,564,591.78/x
  3. Step 3: Cross multiply
    142,190,484,277.30x = 213,253,088,498.80 × 84,773,564,591.78
  4. Step 4: Simplify right side
    142,190,484,277.30x = 18,078,224,472,250,450,444,288
  5. Step 5: Solve for x
    x = 18,078,224,472,250,450,444,288/142,190,484,277.30
  6. Step 6: Final answer
    x = 127,140,888,253.78

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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.