Home / 213,122,176.45-319,683,277.06-51,564,112.45

Finding the Fourth Proportional to 213,122,176.45, 319,683,277.06 and 51,564,112.45

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Solution

The fourth proportional to 213,122,176.45, 319,683,277.06 and 51,564,112.45 is: 77,346,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,122,176.45 : 319,683,277.06 = 51,564,112.45 : x
  2. Step 2: Convert to fraction form
    213,122,176.45/319,683,277.06 = 51,564,112.45/x
  3. Step 3: Cross multiply
    213,122,176.45x = 319,683,277.06 × 51,564,112.45
  4. Step 4: Simplify right side
    213,122,176.45x = 16,484,184,445,778,226
  5. Step 5: Solve for x
    x = 16,484,184,445,778,226/213,122,176.45
  6. Step 6: Final answer
    x = 77,346,171.67

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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.