Home / 141,561,642,208.14-195,401,621,565.36-112,678,812,491.40

Finding the Fourth Proportional to 141,561,642,208.14, 195,401,621,565.36 and 112,678,812,491.40

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Solution

The fourth proportional to 141,561,642,208.14, 195,401,621,565.36 and 112,678,812,491.40 is: 155,533,817,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,561,642,208.14 : 195,401,621,565.36 = 112,678,812,491.40 : x
  2. Step 2: Convert to fraction form
    141,561,642,208.14/195,401,621,565.36 = 112,678,812,491.40/x
  3. Step 3: Cross multiply
    141,561,642,208.14x = 195,401,621,565.36 × 112,678,812,491.40
  4. Step 4: Simplify right side
    141,561,642,208.14x = 22,017,622,676,878,697,431,040
  5. Step 5: Solve for x
    x = 22,017,622,676,878,697,431,040/141,561,642,208.14
  6. Step 6: Final answer
    x = 155,533,817,872.12

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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.