Home / 212,316,632,721.04-292,994,973,005.88-115,972,682,311.30

Finding the Fourth Proportional to 212,316,632,721.04, 292,994,973,005.88 and 115,972,682,311.30

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Solution

The fourth proportional to 212,316,632,721.04, 292,994,973,005.88 and 115,972,682,311.30 is: 160,041,219,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,316,632,721.04 : 292,994,973,005.88 = 115,972,682,311.30 : x
  2. Step 2: Convert to fraction form
    212,316,632,721.04/292,994,973,005.88 = 115,972,682,311.30/x
  3. Step 3: Cross multiply
    212,316,632,721.04x = 292,994,973,005.88 × 115,972,682,311.30
  4. Step 4: Simplify right side
    212,316,632,721.04x = 33,979,412,923,218,843,926,528
  5. Step 5: Solve for x
    x = 33,979,412,923,218,843,926,528/212,316,632,721.04
  6. Step 6: Final answer
    x = 160,041,219,982.35

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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.