Home / 66,331,168,967.80-99,496,753,451.70-54,553,586,102.20

Finding the Fourth Proportional to 66,331,168,967.80, 99,496,753,451.70 and 54,553,586,102.20

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Solution

The fourth proportional to 66,331,168,967.80, 99,496,753,451.70 and 54,553,586,102.20 is: 81,830,379,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331,168,967.80 : 99,496,753,451.70 = 54,553,586,102.20 : x
  2. Step 2: Convert to fraction form
    66,331,168,967.80/99,496,753,451.70 = 54,553,586,102.20/x
  3. Step 3: Cross multiply
    66,331,168,967.80x = 99,496,753,451.70 × 54,553,586,102.20
  4. Step 4: Simplify right side
    66,331,168,967.80x = 5,427,904,706,316,680,036,352
  5. Step 5: Solve for x
    x = 5,427,904,706,316,680,036,352/66,331,168,967.80
  6. Step 6: Final answer
    x = 81,830,379,153.30

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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.