Home / 215,822,275,741.45-297,822,941,125.88-118,145,020,907.45

Finding the Fourth Proportional to 215,822,275,741.45, 297,822,941,125.88 and 118,145,020,907.45

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Solution

The fourth proportional to 215,822,275,741.45, 297,822,941,125.88 and 118,145,020,907.45 is: 163,033,669,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822,275,741.45 : 297,822,941,125.88 = 118,145,020,907.45 : x
  2. Step 2: Convert to fraction form
    215,822,275,741.45/297,822,941,125.88 = 118,145,020,907.45/x
  3. Step 3: Cross multiply
    215,822,275,741.45x = 297,822,941,125.88 × 118,145,020,907.45
  4. Step 4: Simplify right side
    215,822,275,741.45x = 35,186,297,606,035,344,457,728
  5. Step 5: Solve for x
    x = 35,186,297,606,035,344,457,728/215,822,275,741.45
  6. Step 6: Final answer
    x = 163,033,669,648.58

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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.