Home / 102,478,795.80-153,594,691.59-47,070,170.67

Finding the Fourth Proportional to 102,478,795.80, 153,594,691.59 and 47,070,170.67

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Solution

The fourth proportional to 102,478,795.80, 153,594,691.59 and 47,070,170.67 is: 70,548,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,478,795.80 : 153,594,691.59 = 47,070,170.67 : x
  2. Step 2: Convert to fraction form
    102,478,795.80/153,594,691.59 = 47,070,170.67/x
  3. Step 3: Cross multiply
    102,478,795.80x = 153,594,691.59 × 47,070,170.67
  4. Step 4: Simplify right side
    102,478,795.80x = 7,229,728,347,899,807
  5. Step 5: Solve for x
    x = 7,229,728,347,899,807/102,478,795.80
  6. Step 6: Final answer
    x = 70,548,529.50

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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.