Home / 193,347,014.31-290,017,681.61-47,780,572.55

Finding the Fourth Proportional to 193,347,014.31, 290,017,681.61 and 47,780,572.55

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Solution

The fourth proportional to 193,347,014.31, 290,017,681.61 and 47,780,572.55 is: 71,670,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,347,014.31 : 290,017,681.61 = 47,780,572.55 : x
  2. Step 2: Convert to fraction form
    193,347,014.31/290,017,681.61 = 47,780,572.55/x
  3. Step 3: Cross multiply
    193,347,014.31x = 290,017,681.61 × 47,780,572.55
  4. Step 4: Simplify right side
    193,347,014.31x = 13,857,210,875,260,416
  5. Step 5: Solve for x
    x = 13,857,210,875,260,416/193,347,014.31
  6. Step 6: Final answer
    x = 71,670,157.02

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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.