Home / 142,117,448.22-213,196,507.61-43,757,477.18

Finding the Fourth Proportional to 142,117,448.22, 213,196,507.61 and 43,757,477.18

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Solution

The fourth proportional to 142,117,448.22, 213,196,507.61 and 43,757,477.18 is: 65,642,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,448.22 : 213,196,507.61 = 43,757,477.18 : x
  2. Step 2: Convert to fraction form
    142,117,448.22/213,196,507.61 = 43,757,477.18/x
  3. Step 3: Cross multiply
    142,117,448.22x = 213,196,507.61 × 43,757,477.18
  4. Step 4: Simplify right side
    142,117,448.22x = 9,328,941,316,381,484
  5. Step 5: Solve for x
    x = 9,328,941,316,381,484/142,117,448.22
  6. Step 6: Final answer
    x = 65,642,476.93

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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.