Home / 105,984,112.60-158,920,181.70-45,331,312.60

Finding the Fourth Proportional to 105,984,112.60, 158,920,181.70 and 45,331,312.60

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Solution

The fourth proportional to 105,984,112.60, 158,920,181.70 and 45,331,312.60 is: 67,973,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,112.60 : 158,920,181.70 = 45,331,312.60 : x
  2. Step 2: Convert to fraction form
    105,984,112.60/158,920,181.70 = 45,331,312.60/x
  3. Step 3: Cross multiply
    105,984,112.60x = 158,920,181.70 × 45,331,312.60
  4. Step 4: Simplify right side
    105,984,112.60x = 7,204,060,435,091,499
  5. Step 5: Solve for x
    x = 7,204,060,435,091,499/105,984,112.60
  6. Step 6: Final answer
    x = 67,973,022.17

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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.