Home / 76,728,586.95-105,884,211.02-41,920,528.23

Finding the Fourth Proportional to 76,728,586.95, 105,884,211.02 and 41,920,528.23

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Solution

The fourth proportional to 76,728,586.95, 105,884,211.02 and 41,920,528.23 is: 57,849,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728,586.95 : 105,884,211.02 = 41,920,528.23 : x
  2. Step 2: Convert to fraction form
    76,728,586.95/105,884,211.02 = 41,920,528.23/x
  3. Step 3: Cross multiply
    76,728,586.95x = 105,884,211.02 × 41,920,528.23
  4. Step 4: Simplify right side
    76,728,586.95x = 4,438,722,056,965,584
  5. Step 5: Solve for x
    x = 4,438,722,056,965,584/76,728,586.95
  6. Step 6: Final answer
    x = 57,849,652.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.