Home / 96,774,153.40-145,011,930.90-83,934,422.20

Finding the Fourth Proportional to 96,774,153.40, 145,011,930.90 and 83,934,422.20

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Solution

The fourth proportional to 96,774,153.40, 145,011,930.90 and 83,934,422.20 is: 125,772,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,774,153.40 : 145,011,930.90 = 83,934,422.20 : x
  2. Step 2: Convert to fraction form
    96,774,153.40/145,011,930.90 = 83,934,422.20/x
  3. Step 3: Cross multiply
    96,774,153.40x = 145,011,930.90 × 83,934,422.20
  4. Step 4: Simplify right side
    96,774,153.40x = 12,171,492,632,197,826
  5. Step 5: Solve for x
    x = 12,171,492,632,197,826/96,774,153.40
  6. Step 6: Final answer
    x = 125,772,142.71

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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.