Home / 210,868,336.44-316,323,431.82-77,956,031.88

Finding the Fourth Proportional to 210,868,336.44, 316,323,431.82 and 77,956,031.88

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Solution

The fourth proportional to 210,868,336.44, 316,323,431.82 and 77,956,031.88 is: 116,941,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,868,336.44 : 316,323,431.82 = 77,956,031.88 : x
  2. Step 2: Convert to fraction form
    210,868,336.44/316,323,431.82 = 77,956,031.88/x
  3. Step 3: Cross multiply
    210,868,336.44x = 316,323,431.82 × 77,956,031.88
  4. Step 4: Simplify right side
    210,868,336.44x = 24,659,319,535,350,924
  5. Step 5: Solve for x
    x = 24,659,319,535,350,924/210,868,336.44
  6. Step 6: Final answer
    x = 116,941,784.39

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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.