Home / 72,356,533.22-99,851,798.44-39,316,883.16

Finding the Fourth Proportional to 72,356,533.22, 99,851,798.44 and 39,316,883.16

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Solution

The fourth proportional to 72,356,533.22, 99,851,798.44 and 39,316,883.16 is: 54,257,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,356,533.22 : 99,851,798.44 = 39,316,883.16 : x
  2. Step 2: Convert to fraction form
    72,356,533.22/99,851,798.44 = 39,316,883.16/x
  3. Step 3: Cross multiply
    72,356,533.22x = 99,851,798.44 × 39,316,883.16
  4. Step 4: Simplify right side
    72,356,533.22x = 3,925,861,492,483,057.50
  5. Step 5: Solve for x
    x = 3,925,861,492,483,057.50/72,356,533.22
  6. Step 6: Final answer
    x = 54,257,180.63

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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.