Home / 187,316,308.20-258,465,669.69-117,652,069.47

Finding the Fourth Proportional to 187,316,308.20, 258,465,669.69 and 117,652,069.47

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Solution

The fourth proportional to 187,316,308.20, 258,465,669.69 and 117,652,069.47 is: 162,340,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316,308.20 : 258,465,669.69 = 117,652,069.47 : x
  2. Step 2: Convert to fraction form
    187,316,308.20/258,465,669.69 = 117,652,069.47/x
  3. Step 3: Cross multiply
    187,316,308.20x = 258,465,669.69 × 117,652,069.47
  4. Step 4: Simplify right side
    187,316,308.20x = 30,409,020,925,977,952
  5. Step 5: Solve for x
    x = 30,409,020,925,977,952/187,316,308.20
  6. Step 6: Final answer
    x = 162,340,488.23

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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.