Home / 210,856,090.40-316,488,159-101,758,062.08

Finding the Fourth Proportional to 210,856,090.40, 316,488,159 and 101,758,062.08

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Solution

The fourth proportional to 210,856,090.40, 316,488,159 and 101,758,062.08 is: 152,735,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,856,090.40 : 316,488,159 = 101,758,062.08 : x
  2. Step 2: Convert to fraction form
    210,856,090.40/316,488,159 = 101,758,062.08/x
  3. Step 3: Cross multiply
    210,856,090.40x = 316,488,159 × 101,758,062.08
  4. Step 4: Simplify right side
    210,856,090.40x = 32,205,221,731,106,912
  5. Step 5: Solve for x
    x = 32,205,221,731,106,912/210,856,090.40
  6. Step 6: Final answer
    x = 152,735,553.76

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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.