Home / 83,881,925.92-115,697,427.92-55,990,573.28

Finding the Fourth Proportional to 83,881,925.92, 115,697,427.92 and 55,990,573.28

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Solution

The fourth proportional to 83,881,925.92, 115,697,427.92 and 55,990,573.28 is: 77,227,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881,925.92 : 115,697,427.92 = 55,990,573.28 : x
  2. Step 2: Convert to fraction form
    83,881,925.92/115,697,427.92 = 55,990,573.28/x
  3. Step 3: Cross multiply
    83,881,925.92x = 115,697,427.92 × 55,990,573.28
  4. Step 4: Simplify right side
    83,881,925.92x = 6,477,965,316,262,278
  5. Step 5: Solve for x
    x = 6,477,965,316,262,278/83,881,925.92
  6. Step 6: Final answer
    x = 77,227,188.64

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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.