Home / 156,921,699.28-235,300,980.84-46,242,848.92

Finding the Fourth Proportional to 156,921,699.28, 235,300,980.84 and 46,242,848.92

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Solution

The fourth proportional to 156,921,699.28, 235,300,980.84 and 46,242,848.92 is: 69,340,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921,699.28 : 235,300,980.84 = 46,242,848.92 : x
  2. Step 2: Convert to fraction form
    156,921,699.28/235,300,980.84 = 46,242,848.92/x
  3. Step 3: Cross multiply
    156,921,699.28x = 235,300,980.84 × 46,242,848.92
  4. Step 4: Simplify right side
    156,921,699.28x = 10,880,987,707,711,936
  5. Step 5: Solve for x
    x = 10,880,987,707,711,936/156,921,699.28
  6. Step 6: Final answer
    x = 69,340,236.29

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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.