Home / 193,641,915.90-290,070,963.45-120,634,607.10

Finding the Fourth Proportional to 193,641,915.90, 290,070,963.45 and 120,634,607.10

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Solution

The fourth proportional to 193,641,915.90, 290,070,963.45 and 120,634,607.10 is: 180,707,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,641,915.90 : 290,070,963.45 = 120,634,607.10 : x
  2. Step 2: Convert to fraction form
    193,641,915.90/290,070,963.45 = 120,634,607.10/x
  3. Step 3: Cross multiply
    193,641,915.90x = 290,070,963.45 × 120,634,607.10
  4. Step 4: Simplify right side
    193,641,915.90x = 34,992,596,706,909,208
  5. Step 5: Solve for x
    x = 34,992,596,706,909,208/193,641,915.90
  6. Step 6: Final answer
    x = 180,707,759.19

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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.