Home / 64,718,505.79-89,310,946.40-35,349,829.54

Finding the Fourth Proportional to 64,718,505.79, 89,310,946.40 and 35,349,829.54

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Solution

The fourth proportional to 64,718,505.79, 89,310,946.40 and 35,349,829.54 is: 48,782,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718,505.79 : 89,310,946.40 = 35,349,829.54 : x
  2. Step 2: Convert to fraction form
    64,718,505.79/89,310,946.40 = 35,349,829.54/x
  3. Step 3: Cross multiply
    64,718,505.79x = 89,310,946.40 × 35,349,829.54
  4. Step 4: Simplify right side
    64,718,505.79x = 3,157,126,730,927,435.50
  5. Step 5: Solve for x
    x = 3,157,126,730,927,435.50/64,718,505.79
  6. Step 6: Final answer
    x = 48,782,441.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.