Home / 163,494,367,989.06-245,240,522,897.94-87,983,087,960.40

Finding the Fourth Proportional to 163,494,367,989.06, 245,240,522,897.94 and 87,983,087,960.40

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Solution

The fourth proportional to 163,494,367,989.06, 245,240,522,897.94 and 87,983,087,960.40 is: 131,974,078,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,494,367,989.06 : 245,240,522,897.94 = 87,983,087,960.40 : x
  2. Step 2: Convert to fraction form
    163,494,367,989.06/245,240,522,897.94 = 87,983,087,960.40/x
  3. Step 3: Cross multiply
    163,494,367,989.06x = 245,240,522,897.94 × 87,983,087,960.40
  4. Step 4: Simplify right side
    163,494,367,989.06x = 21,577,018,497,583,944,826,880
  5. Step 5: Solve for x
    x = 21,577,018,497,583,944,826,880/163,494,367,989.06
  6. Step 6: Final answer
    x = 131,974,078,147.01

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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.