Home / 238,343,702.94-357,522,263.10-65,820,517.20

Finding the Fourth Proportional to 238,343,702.94, 357,522,263.10 and 65,820,517.20

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Solution

The fourth proportional to 238,343,702.94, 357,522,263.10 and 65,820,517.20 is: 98,732,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,343,702.94 : 357,522,263.10 = 65,820,517.20 : x
  2. Step 2: Convert to fraction form
    238,343,702.94/357,522,263.10 = 65,820,517.20/x
  3. Step 3: Cross multiply
    238,343,702.94x = 357,522,263.10 × 65,820,517.20
  4. Step 4: Simplify right side
    238,343,702.94x = 23,532,300,267,756,476
  5. Step 5: Solve for x
    x = 23,532,300,267,756,476/238,343,702.94
  6. Step 6: Final answer
    x = 98,732,628.46

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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.