Home / 151,576,270.68-209,162,617.02-85,493,127

Finding the Fourth Proportional to 151,576,270.68, 209,162,617.02 and 85,493,127

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Solution

The fourth proportional to 151,576,270.68, 209,162,617.02 and 85,493,127 is: 117,973,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,576,270.68 : 209,162,617.02 = 85,493,127 : x
  2. Step 2: Convert to fraction form
    151,576,270.68/209,162,617.02 = 85,493,127/x
  3. Step 3: Cross multiply
    151,576,270.68x = 209,162,617.02 × 85,493,127
  4. Step 4: Simplify right side
    151,576,270.68x = 17,881,966,180,543,222
  5. Step 5: Solve for x
    x = 17,881,966,180,543,222/151,576,270.68
  6. Step 6: Final answer
    x = 117,973,387.92

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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.