Home / 142,117,448.47-213,196,507.98-43,757,477.43

Finding the Fourth Proportional to 142,117,448.47, 213,196,507.98 and 43,757,477.43

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Solution

The fourth proportional to 142,117,448.47, 213,196,507.98 and 43,757,477.43 is: 65,642,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,448.47 : 213,196,507.98 = 43,757,477.43 : x
  2. Step 2: Convert to fraction form
    142,117,448.47/213,196,507.98 = 43,757,477.43/x
  3. Step 3: Cross multiply
    142,117,448.47x = 213,196,507.98 × 43,757,477.43
  4. Step 4: Simplify right side
    142,117,448.47x = 9,328,941,386,089,664
  5. Step 5: Solve for x
    x = 9,328,941,386,089,664/142,117,448.47
  6. Step 6: Final answer
    x = 65,642,477.31

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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.