Home / 217,492,923.62-300,142,688.09-118,374,305.58

Finding the Fourth Proportional to 217,492,923.62, 300,142,688.09 and 118,374,305.58

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Solution

The fourth proportional to 217,492,923.62, 300,142,688.09 and 118,374,305.58 is: 163,357,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,492,923.62 : 300,142,688.09 = 118,374,305.58 : x
  2. Step 2: Convert to fraction form
    217,492,923.62/300,142,688.09 = 118,374,305.58/x
  3. Step 3: Cross multiply
    217,492,923.62x = 300,142,688.09 × 118,374,305.58
  4. Step 4: Simplify right side
    217,492,923.62x = 35,529,182,276,976,412
  5. Step 5: Solve for x
    x = 35,529,182,276,976,412/217,492,923.62
  6. Step 6: Final answer
    x = 163,357,877.05

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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.