Home / 100,423,124.98-150,692,803.59-42,125,582.02

Finding the Fourth Proportional to 100,423,124.98, 150,692,803.59 and 42,125,582.02

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Solution

The fourth proportional to 100,423,124.98, 150,692,803.59 and 42,125,582.02 is: 63,212,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,423,124.98 : 150,692,803.59 = 42,125,582.02 : x
  2. Step 2: Convert to fraction form
    100,423,124.98/150,692,803.59 = 42,125,582.02/x
  3. Step 3: Cross multiply
    100,423,124.98x = 150,692,803.59 × 42,125,582.02
  4. Step 4: Simplify right side
    100,423,124.98x = 6,348,022,057,454,296
  5. Step 5: Solve for x
    x = 6,348,022,057,454,296/100,423,124.98
  6. Step 6: Final answer
    x = 63,212,751.63

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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.