Home / 77,286,865.32-106,656,106.86-42,483,122.28

Finding the Fourth Proportional to 77,286,865.32, 106,656,106.86 and 42,483,122.28

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Solution

The fourth proportional to 77,286,865.32, 106,656,106.86 and 42,483,122.28 is: 58,626,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,286,865.32 : 106,656,106.86 = 42,483,122.28 : x
  2. Step 2: Convert to fraction form
    77,286,865.32/106,656,106.86 = 42,483,122.28/x
  3. Step 3: Cross multiply
    77,286,865.32x = 106,656,106.86 × 42,483,122.28
  4. Step 4: Simplify right side
    77,286,865.32x = 4,531,084,429,642,127
  5. Step 5: Solve for x
    x = 4,531,084,429,642,127/77,286,865.32
  6. Step 6: Final answer
    x = 58,626,836.67

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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.