Home / 193,536,017.60-290,304,026.40-85,830,641.60

Finding the Fourth Proportional to 193,536,017.60, 290,304,026.40 and 85,830,641.60

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Solution

The fourth proportional to 193,536,017.60, 290,304,026.40 and 85,830,641.60 is: 128,745,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,536,017.60 : 290,304,026.40 = 85,830,641.60 : x
  2. Step 2: Convert to fraction form
    193,536,017.60/290,304,026.40 = 85,830,641.60/x
  3. Step 3: Cross multiply
    193,536,017.60x = 290,304,026.40 × 85,830,641.60
  4. Step 4: Simplify right side
    193,536,017.60x = 24,916,980,844,975,336
  5. Step 5: Solve for x
    x = 24,916,980,844,975,336/193,536,017.60
  6. Step 6: Final answer
    x = 128,745,962.40

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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.