Home / 354,349,031.40-531,598,196.70-149,771,802.60

Finding the Fourth Proportional to 354,349,031.40, 531,598,196.70 and 149,771,802.60

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Solution

The fourth proportional to 354,349,031.40, 531,598,196.70 and 149,771,802.60 is: 224,689,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,349,031.40 : 531,598,196.70 = 149,771,802.60 : x
  2. Step 2: Convert to fraction form
    354,349,031.40/531,598,196.70 = 149,771,802.60/x
  3. Step 3: Cross multiply
    354,349,031.40x = 531,598,196.70 × 149,771,802.60
  4. Step 4: Simplify right side
    354,349,031.40x = 79,618,420,178,668,368
  5. Step 5: Solve for x
    x = 79,618,420,178,668,368/354,349,031.40
  6. Step 6: Final answer
    x = 224,689,255.86

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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.