Home / 56,774,095.54-78,348,321.40-30,668,613.74

Finding the Fourth Proportional to 56,774,095.54, 78,348,321.40 and 30,668,613.74

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Solution

The fourth proportional to 56,774,095.54, 78,348,321.40 and 30,668,613.74 is: 42,322,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,774,095.54 : 78,348,321.40 = 30,668,613.74 : x
  2. Step 2: Convert to fraction form
    56,774,095.54/78,348,321.40 = 30,668,613.74/x
  3. Step 3: Cross multiply
    56,774,095.54x = 78,348,321.40 × 30,668,613.74
  4. Step 4: Simplify right side
    56,774,095.54x = 2,402,834,406,193,976
  5. Step 5: Solve for x
    x = 2,402,834,406,193,976/56,774,095.54
  6. Step 6: Final answer
    x = 42,322,724.53

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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.