Home / 153,923,818.86-212,412,244.59-83,358,855.88

Finding the Fourth Proportional to 153,923,818.86, 212,412,244.59 and 83,358,855.88

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Solution

The fourth proportional to 153,923,818.86, 212,412,244.59 and 83,358,855.88 is: 115,033,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923,818.86 : 212,412,244.59 = 83,358,855.88 : x
  2. Step 2: Convert to fraction form
    153,923,818.86/212,412,244.59 = 83,358,855.88/x
  3. Step 3: Cross multiply
    153,923,818.86x = 212,412,244.59 × 83,358,855.88
  4. Step 4: Simplify right side
    153,923,818.86x = 17,706,441,683,394,088
  5. Step 5: Solve for x
    x = 17,706,441,683,394,088/153,923,818.86
  6. Step 6: Final answer
    x = 115,033,799.28

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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.