Home / 139,968,000.45-209,952,000.68-63,440,496.45

Finding the Fourth Proportional to 139,968,000.45, 209,952,000.68 and 63,440,496.45

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Solution

The fourth proportional to 139,968,000.45, 209,952,000.68 and 63,440,496.45 is: 95,160,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,000.45 : 209,952,000.68 = 63,440,496.45 : x
  2. Step 2: Convert to fraction form
    139,968,000.45/209,952,000.68 = 63,440,496.45/x
  3. Step 3: Cross multiply
    139,968,000.45x = 209,952,000.68 × 63,440,496.45
  4. Step 4: Simplify right side
    139,968,000.45x = 13,319,459,153,492,736
  5. Step 5: Solve for x
    x = 13,319,459,153,492,736/139,968,000.45
  6. Step 6: Final answer
    x = 95,160,744.68

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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.