Home / 76,656,107.60-114,984,161.40-61,539,563.60

Finding the Fourth Proportional to 76,656,107.60, 114,984,161.40 and 61,539,563.60

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Solution

The fourth proportional to 76,656,107.60, 114,984,161.40 and 61,539,563.60 is: 92,309,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,107.60 : 114,984,161.40 = 61,539,563.60 : x
  2. Step 2: Convert to fraction form
    76,656,107.60/114,984,161.40 = 61,539,563.60/x
  3. Step 3: Cross multiply
    76,656,107.60x = 114,984,161.40 × 61,539,563.60
  4. Step 4: Simplify right side
    76,656,107.60x = 7,076,075,113,467,966
  5. Step 5: Solve for x
    x = 7,076,075,113,467,966/76,656,107.60
  6. Step 6: Final answer
    x = 92,309,345.40

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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.