Home / 112,316,651.56-168,485,258.94-31,537,075.24

Finding the Fourth Proportional to 112,316,651.56, 168,485,258.94 and 31,537,075.24

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Solution

The fourth proportional to 112,316,651.56, 168,485,258.94 and 31,537,075.24 is: 47,308,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316,651.56 : 168,485,258.94 = 31,537,075.24 : x
  2. Step 2: Convert to fraction form
    112,316,651.56/168,485,258.94 = 31,537,075.24/x
  3. Step 3: Cross multiply
    112,316,651.56x = 168,485,258.94 × 31,537,075.24
  4. Step 4: Simplify right side
    112,316,651.56x = 5,313,532,288,021,662
  5. Step 5: Solve for x
    x = 5,313,532,288,021,662/112,316,651.56
  6. Step 6: Final answer
    x = 47,308,499.80

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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.