Home / 76,656,128.10-114,984,192.15-61,539,584.10

Finding the Fourth Proportional to 76,656,128.10, 114,984,192.15 and 61,539,584.10

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Solution

The fourth proportional to 76,656,128.10, 114,984,192.15 and 61,539,584.10 is: 92,309,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,128.10 : 114,984,192.15 = 61,539,584.10 : x
  2. Step 2: Convert to fraction form
    76,656,128.10/114,984,192.15 = 61,539,584.10/x
  3. Step 3: Cross multiply
    76,656,128.10x = 114,984,192.15 × 61,539,584.10
  4. Step 4: Simplify right side
    76,656,128.10x = 7,076,079,362,985,485
  5. Step 5: Solve for x
    x = 7,076,079,362,985,485/76,656,128.10
  6. Step 6: Final answer
    x = 92,309,376.15

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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.