Home / 210,182,886.40-315,304,461.60-64,628,672.80

Finding the Fourth Proportional to 210,182,886.40, 315,304,461.60 and 64,628,672.80

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Solution

The fourth proportional to 210,182,886.40, 315,304,461.60 and 64,628,672.80 is: 96,952,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,182,886.40 : 315,304,461.60 = 64,628,672.80 : x
  2. Step 2: Convert to fraction form
    210,182,886.40/315,304,461.60 = 64,628,672.80/x
  3. Step 3: Cross multiply
    210,182,886.40x = 315,304,461.60 × 64,628,672.80
  4. Step 4: Simplify right side
    210,182,886.40x = 20,377,708,881,126,564
  5. Step 5: Solve for x
    x = 20,377,708,881,126,564/210,182,886.40
  6. Step 6: Final answer
    x = 96,952,274.42

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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.