Home / 357,151,330.58-535,518,488.29-138,546,230.65

Finding the Fourth Proportional to 357,151,330.58, 535,518,488.29 and 138,546,230.65

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Solution

The fourth proportional to 357,151,330.58, 535,518,488.29 and 138,546,230.65 is: 207,738,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,151,330.58 : 535,518,488.29 = 138,546,230.65 : x
  2. Step 2: Convert to fraction form
    357,151,330.58/535,518,488.29 = 138,546,230.65/x
  3. Step 3: Cross multiply
    357,151,330.58x = 535,518,488.29 × 138,546,230.65
  4. Step 4: Simplify right side
    357,151,330.58x = 74,194,067,993,288,080
  5. Step 5: Solve for x
    x = 74,194,067,993,288,080/357,151,330.58
  6. Step 6: Final answer
    x = 207,738,461.66

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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.