Home / 194,623,702.16-268,581,420.74-105,315,647.18

Finding the Fourth Proportional to 194,623,702.16, 268,581,420.74 and 105,315,647.18

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Solution

The fourth proportional to 194,623,702.16, 268,581,420.74 and 105,315,647.18 is: 145,335,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,702.16 : 268,581,420.74 = 105,315,647.18 : x
  2. Step 2: Convert to fraction form
    194,623,702.16/268,581,420.74 = 105,315,647.18/x
  3. Step 3: Cross multiply
    194,623,702.16x = 268,581,420.74 × 105,315,647.18
  4. Step 4: Simplify right side
    194,623,702.16x = 28,285,826,144,677,356
  5. Step 5: Solve for x
    x = 28,285,826,144,677,356/194,623,702.16
  6. Step 6: Final answer
    x = 145,335,978.26

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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.