Home / 193,554,557.60-290,331,836.40-85,849,181.60

Finding the Fourth Proportional to 193,554,557.60, 290,331,836.40 and 85,849,181.60

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Solution

The fourth proportional to 193,554,557.60, 290,331,836.40 and 85,849,181.60 is: 128,773,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,554,557.60 : 290,331,836.40 = 85,849,181.60 : x
  2. Step 2: Convert to fraction form
    193,554,557.60/290,331,836.40 = 85,849,181.60/x
  3. Step 3: Cross multiply
    193,554,557.60x = 290,331,836.40 × 85,849,181.60
  4. Step 4: Simplify right side
    193,554,557.60x = 24,924,750,547,365,088
  5. Step 5: Solve for x
    x = 24,924,750,547,365,088/193,554,557.60
  6. Step 6: Final answer
    x = 128,773,772.40

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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.