Home / 73,144,412.80-109,716,619.20-66,448,256.20

Finding the Fourth Proportional to 73,144,412.80, 109,716,619.20 and 66,448,256.20

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Solution

The fourth proportional to 73,144,412.80, 109,716,619.20 and 66,448,256.20 is: 99,672,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,144,412.80 : 109,716,619.20 = 66,448,256.20 : x
  2. Step 2: Convert to fraction form
    73,144,412.80/109,716,619.20 = 66,448,256.20/x
  3. Step 3: Cross multiply
    73,144,412.80x = 109,716,619.20 × 66,448,256.20
  4. Step 4: Simplify right side
    73,144,412.80x = 7,290,478,021,999,440
  5. Step 5: Solve for x
    x = 7,290,478,021,999,440/73,144,412.80
  6. Step 6: Final answer
    x = 99,672,384.30

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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.