Home / 66,260,628,665.04-99,404,903,767.32-21,488,634,301.92

Finding the Fourth Proportional to 66,260,628,665.04, 99,404,903,767.32 and 21,488,634,301.92

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Solution

The fourth proportional to 66,260,628,665.04, 99,404,903,767.32 and 21,488,634,301.92 is: 32,237,478,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260,628,665.04 : 99,404,903,767.32 = 21,488,634,301.92 : x
  2. Step 2: Convert to fraction form
    66,260,628,665.04/99,404,903,767.32 = 21,488,634,301.92/x
  3. Step 3: Cross multiply
    66,260,628,665.04x = 99,404,903,767.32 × 21,488,634,301.92
  4. Step 4: Simplify right side
    66,260,628,665.04x = 2,136,075,624,873,489,072,128
  5. Step 5: Solve for x
    x = 2,136,075,624,873,489,072,128/66,260,628,665.04
  6. Step 6: Final answer
    x = 32,237,478,996.34

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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.