Home / 90,383,769,699.84-124,730,744,474.88-49,743,358,878.72

Finding the Fourth Proportional to 90,383,769,699.84, 124,730,744,474.88 and 49,743,358,878.72

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Solution

The fourth proportional to 90,383,769,699.84, 124,730,744,474.88 and 49,743,358,878.72 is: 68,646,463,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,383,769,699.84 : 124,730,744,474.88 = 49,743,358,878.72 : x
  2. Step 2: Convert to fraction form
    90,383,769,699.84/124,730,744,474.88 = 49,743,358,878.72/x
  3. Step 3: Cross multiply
    90,383,769,699.84x = 124,730,744,474.88 × 49,743,358,878.72
  4. Step 4: Simplify right side
    90,383,769,699.84x = 6,204,526,185,623,878,369,280
  5. Step 5: Solve for x
    x = 6,204,526,185,623,878,369,280/90,383,769,699.84
  6. Step 6: Final answer
    x = 68,646,463,919.67

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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.