Home / 155,526,977.20-233,290,465.80-121,262,810.80

Finding the Fourth Proportional to 155,526,977.20, 233,290,465.80 and 121,262,810.80

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Solution

The fourth proportional to 155,526,977.20, 233,290,465.80 and 121,262,810.80 is: 181,894,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526,977.20 : 233,290,465.80 = 121,262,810.80 : x
  2. Step 2: Convert to fraction form
    155,526,977.20/233,290,465.80 = 121,262,810.80/x
  3. Step 3: Cross multiply
    155,526,977.20x = 233,290,465.80 × 121,262,810.80
  4. Step 4: Simplify right side
    155,526,977.20x = 28,289,457,615,749,272
  5. Step 5: Solve for x
    x = 28,289,457,615,749,272/155,526,977.20
  6. Step 6: Final answer
    x = 181,894,216.20

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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.