Home / 100,255,056.72-150,353,411.12-38,830,515.45

Finding the Fourth Proportional to 100,255,056.72, 150,353,411.12 and 38,830,515.45

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Solution

The fourth proportional to 100,255,056.72, 150,353,411.12 and 38,830,515.45 is: 58,234,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,255,056.72 : 150,353,411.12 = 38,830,515.45 : x
  2. Step 2: Convert to fraction form
    100,255,056.72/150,353,411.12 = 38,830,515.45/x
  3. Step 3: Cross multiply
    100,255,056.72x = 150,353,411.12 × 38,830,515.45
  4. Step 4: Simplify right side
    100,255,056.72x = 5,838,300,453,455,362
  5. Step 5: Solve for x
    x = 5,838,300,453,455,362/100,255,056.72
  6. Step 6: Final answer
    x = 58,234,473.60

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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.