Home / 153,281,806.80-211,497,316.59-88,079,113.68

Finding the Fourth Proportional to 153,281,806.80, 211,497,316.59 and 88,079,113.68

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Solution

The fourth proportional to 153,281,806.80, 211,497,316.59 and 88,079,113.68 is: 121,531,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281,806.80 : 211,497,316.59 = 88,079,113.68 : x
  2. Step 2: Convert to fraction form
    153,281,806.80/211,497,316.59 = 88,079,113.68/x
  3. Step 3: Cross multiply
    153,281,806.80x = 211,497,316.59 × 88,079,113.68
  4. Step 4: Simplify right side
    153,281,806.80x = 18,628,496,190,945,560
  5. Step 5: Solve for x
    x = 18,628,496,190,945,560/153,281,806.80
  6. Step 6: Final answer
    x = 121,531,032.15

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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.