Home / 49,889,746.20-74,778,632.10-28,334,674.20

Finding the Fourth Proportional to 49,889,746.20, 74,778,632.10 and 28,334,674.20

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Solution

The fourth proportional to 49,889,746.20, 74,778,632.10 and 28,334,674.20 is: 42,470,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889,746.20 : 74,778,632.10 = 28,334,674.20 : x
  2. Step 2: Convert to fraction form
    49,889,746.20/74,778,632.10 = 28,334,674.20/x
  3. Step 3: Cross multiply
    49,889,746.20x = 74,778,632.10 × 28,334,674.20
  4. Step 4: Simplify right side
    49,889,746.20x = 2,118,828,177,675,161.50
  5. Step 5: Solve for x
    x = 2,118,828,177,675,161.50/49,889,746.20
  6. Step 6: Final answer
    x = 42,470,213.60

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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.