Home / 74,692,701.36-112,039,260.37-28,648,684.11

Finding the Fourth Proportional to 74,692,701.36, 112,039,260.37 and 28,648,684.11

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Solution

The fourth proportional to 74,692,701.36, 112,039,260.37 and 28,648,684.11 is: 42,973,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,692,701.36 : 112,039,260.37 = 28,648,684.11 : x
  2. Step 2: Convert to fraction form
    74,692,701.36/112,039,260.37 = 28,648,684.11/x
  3. Step 3: Cross multiply
    74,692,701.36x = 112,039,260.37 × 28,648,684.11
  4. Step 4: Simplify right side
    74,692,701.36x = 3,209,777,378,258,172
  5. Step 5: Solve for x
    x = 3,209,777,378,258,172/74,692,701.36
  6. Step 6: Final answer
    x = 42,973,106.07

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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.