Home / 207,980,125,020.06-311,752,450,300.77-87,037,973,305.35

Finding the Fourth Proportional to 207,980,125,020.06, 311,752,450,300.77 and 87,037,973,305.35

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Solution

The fourth proportional to 207,980,125,020.06, 311,752,450,300.77 and 87,037,973,305.35 is: 130,465,838,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,980,125,020.06 : 311,752,450,300.77 = 87,037,973,305.35 : x
  2. Step 2: Convert to fraction form
    207,980,125,020.06/311,752,450,300.77 = 87,037,973,305.35/x
  3. Step 3: Cross multiply
    207,980,125,020.06x = 311,752,450,300.77 × 87,037,973,305.35
  4. Step 4: Simplify right side
    207,980,125,020.06x = 27,134,301,447,155,875,840,000
  5. Step 5: Solve for x
    x = 27,134,301,447,155,875,840,000/207,980,125,020.06
  6. Step 6: Final answer
    x = 130,465,838,716.75

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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.