Home / 212,784,501.60-319,176,752.40-51,226,437.60

Finding the Fourth Proportional to 212,784,501.60, 319,176,752.40 and 51,226,437.60

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Solution

The fourth proportional to 212,784,501.60, 319,176,752.40 and 51,226,437.60 is: 76,839,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784,501.60 : 319,176,752.40 = 51,226,437.60 : x
  2. Step 2: Convert to fraction form
    212,784,501.60/319,176,752.40 = 51,226,437.60/x
  3. Step 3: Cross multiply
    212,784,501.60x = 319,176,752.40 × 51,226,437.60
  4. Step 4: Simplify right side
    212,784,501.60x = 16,350,287,990,189,250
  5. Step 5: Solve for x
    x = 16,350,287,990,189,250/212,784,501.60
  6. Step 6: Final answer
    x = 76,839,656.40

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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.