Home / 191,587,298.76-287,562,635.28-118,583,248.56

Finding the Fourth Proportional to 191,587,298.76, 287,562,635.28 and 118,583,248.56

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Solution

The fourth proportional to 191,587,298.76, 287,562,635.28 and 118,583,248.56 is: 177,987,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,587,298.76 : 287,562,635.28 = 118,583,248.56 : x
  2. Step 2: Convert to fraction form
    191,587,298.76/287,562,635.28 = 118,583,248.56/x
  3. Step 3: Cross multiply
    191,587,298.76x = 287,562,635.28 × 118,583,248.56
  4. Step 4: Simplify right side
    191,587,298.76x = 34,100,111,455,976,864
  5. Step 5: Solve for x
    x = 34,100,111,455,976,864/191,587,298.76
  6. Step 6: Final answer
    x = 177,987,328.37

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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.