Home / 84,155,966,344.92-126,435,333,509.10-53,962,261,390.56

Finding the Fourth Proportional to 84,155,966,344.92, 126,435,333,509.10 and 53,962,261,390.56

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Solution

The fourth proportional to 84,155,966,344.92, 126,435,333,509.10 and 53,962,261,390.56 is: 81,072,522,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155,966,344.92 : 126,435,333,509.10 = 53,962,261,390.56 : x
  2. Step 2: Convert to fraction form
    84,155,966,344.92/126,435,333,509.10 = 53,962,261,390.56/x
  3. Step 3: Cross multiply
    84,155,966,344.92x = 126,435,333,509.10 × 53,962,261,390.56
  4. Step 4: Simplify right side
    84,155,966,344.92x = 6,822,736,515,820,684,312,576
  5. Step 5: Solve for x
    x = 6,822,736,515,820,684,312,576/84,155,966,344.92
  6. Step 6: Final answer
    x = 81,072,522,984.97

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1.5x scale

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.