Home / 99,285,208,209.55-148,926,830,882.12-45,487,083,835.20

Finding the Fourth Proportional to 99,285,208,209.55, 148,926,830,882.12 and 45,487,083,835.20

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Solution

The fourth proportional to 99,285,208,209.55, 148,926,830,882.12 and 45,487,083,835.20 is: 68,230,176,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285,208,209.55 : 148,926,830,882.12 = 45,487,083,835.20 : x
  2. Step 2: Convert to fraction form
    99,285,208,209.55/148,926,830,882.12 = 45,487,083,835.20/x
  3. Step 3: Cross multiply
    99,285,208,209.55x = 148,926,830,882.12 × 45,487,083,835.20
  4. Step 4: Simplify right side
    99,285,208,209.55x = 6,774,247,241,645,643,792,384
  5. Step 5: Solve for x
    x = 6,774,247,241,645,643,792,384/99,285,208,209.55
  6. Step 6: Final answer
    x = 68,230,176,113.93

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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.