Home / 100,423,124.48-150,692,802.84-42,125,581.52

Finding the Fourth Proportional to 100,423,124.48, 150,692,802.84 and 42,125,581.52

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Solution

The fourth proportional to 100,423,124.48, 150,692,802.84 and 42,125,581.52 is: 63,212,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,423,124.48 : 150,692,802.84 = 42,125,581.52 : x
  2. Step 2: Convert to fraction form
    100,423,124.48/150,692,802.84 = 42,125,581.52/x
  3. Step 3: Cross multiply
    100,423,124.48x = 150,692,802.84 × 42,125,581.52
  4. Step 4: Simplify right side
    100,423,124.48x = 6,348,021,950,513,708
  5. Step 5: Solve for x
    x = 6,348,021,950,513,708/100,423,124.48
  6. Step 6: Final answer
    x = 63,212,750.88

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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.