Home / 191,592,007.20-287,388,010.80-55,281,837.60

Finding the Fourth Proportional to 191,592,007.20, 287,388,010.80 and 55,281,837.60

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Solution

The fourth proportional to 191,592,007.20, 287,388,010.80 and 55,281,837.60 is: 82,922,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,592,007.20 : 287,388,010.80 = 55,281,837.60 : x
  2. Step 2: Convert to fraction form
    191,592,007.20/287,388,010.80 = 55,281,837.60/x
  3. Step 3: Cross multiply
    191,592,007.20x = 287,388,010.80 × 55,281,837.60
  4. Step 4: Simplify right side
    191,592,007.20x = 15,887,337,341,232,648
  5. Step 5: Solve for x
    x = 15,887,337,341,232,648/191,592,007.20
  6. Step 6: Final answer
    x = 82,922,756.40

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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.