Home / 100,205,349,960.84-138,283,929,624.55-59,007,527,158.92

Finding the Fourth Proportional to 100,205,349,960.84, 138,283,929,624.55 and 59,007,527,158.92

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Solution

The fourth proportional to 100,205,349,960.84, 138,283,929,624.55 and 59,007,527,158.92 is: 81,430,709,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,205,349,960.84 : 138,283,929,624.55 = 59,007,527,158.92 : x
  2. Step 2: Convert to fraction form
    100,205,349,960.84/138,283,929,624.55 = 59,007,527,158.92/x
  3. Step 3: Cross multiply
    100,205,349,960.84x = 138,283,929,624.55 × 59,007,527,158.92
  4. Step 4: Simplify right side
    100,205,349,960.84x = 8,159,792,732,962,814,951,424
  5. Step 5: Solve for x
    x = 8,159,792,732,962,814,951,424/100,205,349,960.84
  6. Step 6: Final answer
    x = 81,430,709,399.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.