Home / 205,406,880.40-283,490,561.76-127,115,648.32

Finding the Fourth Proportional to 205,406,880.40, 283,490,561.76 and 127,115,648.32

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Solution

The fourth proportional to 205,406,880.40, 283,490,561.76 and 127,115,648.32 is: 175,437,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,406,880.40 : 283,490,561.76 = 127,115,648.32 : x
  2. Step 2: Convert to fraction form
    205,406,880.40/283,490,561.76 = 127,115,648.32/x
  3. Step 3: Cross multiply
    205,406,880.40x = 283,490,561.76 × 127,115,648.32
  4. Step 4: Simplify right side
    205,406,880.40x = 36,036,086,550,723,400
  5. Step 5: Solve for x
    x = 36,036,086,550,723,400/205,406,880.40
  6. Step 6: Final answer
    x = 175,437,582.62

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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.