Home / 105,360,564,127.75-158,071,891,793.86-42,443,486,161.99

Finding the Fourth Proportional to 105,360,564,127.75, 158,071,891,793.86 and 42,443,486,161.99

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Solution

The fourth proportional to 105,360,564,127.75, 158,071,891,793.86 and 42,443,486,161.99 is: 63,677,735,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,360,564,127.75 : 158,071,891,793.86 = 42,443,486,161.99 : x
  2. Step 2: Convert to fraction form
    105,360,564,127.75/158,071,891,793.86 = 42,443,486,161.99/x
  3. Step 3: Cross multiply
    105,360,564,127.75x = 158,071,891,793.86 × 42,443,486,161.99
  4. Step 4: Simplify right side
    105,360,564,127.75x = 6,709,122,151,952,276,258,816
  5. Step 5: Solve for x
    x = 6,709,122,151,952,276,258,816/105,360,564,127.75
  6. Step 6: Final answer
    x = 63,677,735,664.15

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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.