Home / 117,993,301.95-162,779,100.55-112,522,781.13

Finding the Fourth Proportional to 117,993,301.95, 162,779,100.55 and 112,522,781.13

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Solution

The fourth proportional to 117,993,301.95, 162,779,100.55 and 112,522,781.13 is: 155,232,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,993,301.95 : 162,779,100.55 = 112,522,781.13 : x
  2. Step 2: Convert to fraction form
    117,993,301.95/162,779,100.55 = 112,522,781.13/x
  3. Step 3: Cross multiply
    117,993,301.95x = 162,779,100.55 × 112,522,781.13
  4. Step 4: Simplify right side
    117,993,301.95x = 18,316,357,103,725,912
  5. Step 5: Solve for x
    x = 18,316,357,103,725,912/117,993,301.95
  6. Step 6: Final answer
    x = 155,232,176.75

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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.