Home / 30,640,702.14-42,284,158.65-16,889,895.90

Finding the Fourth Proportional to 30,640,702.14, 42,284,158.65 and 16,889,895.90

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Solution

The fourth proportional to 30,640,702.14, 42,284,158.65 and 16,889,895.90 is: 23,308,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,702.14 : 42,284,158.65 = 16,889,895.90 : x
  2. Step 2: Convert to fraction form
    30,640,702.14/42,284,158.65 = 16,889,895.90/x
  3. Step 3: Cross multiply
    30,640,702.14x = 42,284,158.65 × 16,889,895.90
  4. Step 4: Simplify right side
    30,640,702.14x = 714,175,037,817,584.50
  5. Step 5: Solve for x
    x = 714,175,037,817,584.50/30,640,702.14
  6. Step 6: Final answer
    x = 23,308,050.66

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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.