Home / 103,295,894.64-142,543,729.08-59,211,282.48

Finding the Fourth Proportional to 103,295,894.64, 142,543,729.08 and 59,211,282.48

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Solution

The fourth proportional to 103,295,894.64, 142,543,729.08 and 59,211,282.48 is: 81,708,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,295,894.64 : 142,543,729.08 = 59,211,282.48 : x
  2. Step 2: Convert to fraction form
    103,295,894.64/142,543,729.08 = 59,211,282.48/x
  3. Step 3: Cross multiply
    103,295,894.64x = 142,543,729.08 × 59,211,282.48
  4. Step 4: Simplify right side
    103,295,894.64x = 8,440,197,008,308,471
  5. Step 5: Solve for x
    x = 8,440,197,008,308,471/103,295,894.64
  6. Step 6: Final answer
    x = 81,708,929.84

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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.