Home / 103,448,014.90-155,172,022.35-84,953,868.10

Finding the Fourth Proportional to 103,448,014.90, 155,172,022.35 and 84,953,868.10

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Solution

The fourth proportional to 103,448,014.90, 155,172,022.35 and 84,953,868.10 is: 127,430,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,448,014.90 : 155,172,022.35 = 84,953,868.10 : x
  2. Step 2: Convert to fraction form
    103,448,014.90/155,172,022.35 = 84,953,868.10/x
  3. Step 3: Cross multiply
    103,448,014.90x = 155,172,022.35 × 84,953,868.10
  4. Step 4: Simplify right side
    103,448,014.90x = 13,182,463,519,532,150
  5. Step 5: Solve for x
    x = 13,182,463,519,532,150/103,448,014.90
  6. Step 6: Final answer
    x = 127,430,802.15

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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.