Home / 211,051,838.94-316,575,247.05-118,942,526.94

Finding the Fourth Proportional to 211,051,838.94, 316,575,247.05 and 118,942,526.94

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Solution

The fourth proportional to 211,051,838.94, 316,575,247.05 and 118,942,526.94 is: 178,412,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,051,838.94 : 316,575,247.05 = 118,942,526.94 : x
  2. Step 2: Convert to fraction form
    211,051,838.94/316,575,247.05 = 118,942,526.94/x
  3. Step 3: Cross multiply
    211,051,838.94x = 316,575,247.05 × 118,942,526.94
  4. Step 4: Simplify right side
    211,051,838.94x = 37,654,259,850,781,784
  5. Step 5: Solve for x
    x = 37,654,259,850,781,784/211,051,838.94
  6. Step 6: Final answer
    x = 178,412,375.08

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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.