Home / 293,039,489.60-439,559,234.40-74,689,409.60

Finding the Fourth Proportional to 293,039,489.60, 439,559,234.40 and 74,689,409.60

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Solution

The fourth proportional to 293,039,489.60, 439,559,234.40 and 74,689,409.60 is: 112,034,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039,489.60 : 439,559,234.40 = 74,689,409.60 : x
  2. Step 2: Convert to fraction form
    293,039,489.60/439,559,234.40 = 74,689,409.60/x
  3. Step 3: Cross multiply
    293,039,489.60x = 439,559,234.40 × 74,689,409.60
  4. Step 4: Simplify right side
    293,039,489.60x = 32,830,419,701,564,004
  5. Step 5: Solve for x
    x = 32,830,419,701,564,004/293,039,489.60
  6. Step 6: Final answer
    x = 112,034,114.40

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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.