Home / 56,962,702.95-78,608,770.85-30,857,220.74

Finding the Fourth Proportional to 56,962,702.95, 78,608,770.85 and 30,857,220.74

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Solution

The fourth proportional to 56,962,702.95, 78,608,770.85 and 30,857,220.74 is: 42,583,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,962,702.95 : 78,608,770.85 = 30,857,220.74 : x
  2. Step 2: Convert to fraction form
    56,962,702.95/78,608,770.85 = 30,857,220.74/x
  3. Step 3: Cross multiply
    56,962,702.95x = 78,608,770.85 × 30,857,220.74
  4. Step 4: Simplify right side
    56,962,702.95x = 2,425,648,194,492,192.50
  5. Step 5: Solve for x
    x = 2,425,648,194,492,192.50/56,962,702.95
  6. Step 6: Final answer
    x = 42,583,095.06

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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.