Home / 219,180,145.19-302,353,926.35-135,521,533.42

Finding the Fourth Proportional to 219,180,145.19, 302,353,926.35 and 135,521,533.42

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Solution

The fourth proportional to 219,180,145.19, 302,353,926.35 and 135,521,533.42 is: 186,948,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,180,145.19 : 302,353,926.35 = 135,521,533.42 : x
  2. Step 2: Convert to fraction form
    219,180,145.19/302,353,926.35 = 135,521,533.42/x
  3. Step 3: Cross multiply
    219,180,145.19x = 302,353,926.35 × 135,521,533.42
  4. Step 4: Simplify right side
    219,180,145.19x = 40,975,467,733,076,248
  5. Step 5: Solve for x
    x = 40,975,467,733,076,248/219,180,145.19
  6. Step 6: Final answer
    x = 186,948,811.89

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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.