Home / 76,387,889.52-114,580,700.28-18,880,157.52

Finding the Fourth Proportional to 76,387,889.52, 114,580,700.28 and 18,880,157.52

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Solution

The fourth proportional to 76,387,889.52, 114,580,700.28 and 18,880,157.52 is: 28,319,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,387,889.52 : 114,580,700.28 = 18,880,157.52 : x
  2. Step 2: Convert to fraction form
    76,387,889.52/114,580,700.28 = 18,880,157.52/x
  3. Step 3: Cross multiply
    76,387,889.52x = 114,580,700.28 × 18,880,157.52
  4. Step 4: Simplify right side
    76,387,889.52x = 2,163,301,670,038,308
  5. Step 5: Solve for x
    x = 2,163,301,670,038,308/76,387,889.52
  6. Step 6: Final answer
    x = 28,319,956.00

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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.