Home / 64,478,889.60-96,718,334.40-49,866,230.40

Finding the Fourth Proportional to 64,478,889.60, 96,718,334.40 and 49,866,230.40

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Solution

The fourth proportional to 64,478,889.60, 96,718,334.40 and 49,866,230.40 is: 74,799,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,478,889.60 : 96,718,334.40 = 49,866,230.40 : x
  2. Step 2: Convert to fraction form
    64,478,889.60/96,718,334.40 = 49,866,230.40/x
  3. Step 3: Cross multiply
    64,478,889.60x = 96,718,334.40 × 49,866,230.40
  4. Step 4: Simplify right side
    64,478,889.60x = 4,822,978,747,094,646
  5. Step 5: Solve for x
    x = 4,822,978,747,094,646/64,478,889.60
  6. Step 6: Final answer
    x = 74,799,345.60

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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.