Home / 99,421,090.50-149,136,950.16-31,269,096.66

Finding the Fourth Proportional to 99,421,090.50, 149,136,950.16 and 31,269,096.66

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Solution

The fourth proportional to 99,421,090.50, 149,136,950.16 and 31,269,096.66 is: 46,905,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,421,090.50 : 149,136,950.16 = 31,269,096.66 : x
  2. Step 2: Convert to fraction form
    99,421,090.50/149,136,950.16 = 31,269,096.66/x
  3. Step 3: Cross multiply
    99,421,090.50x = 149,136,950.16 × 31,269,096.66
  4. Step 4: Simplify right side
    99,421,090.50x = 4,663,377,710,130,642
  5. Step 5: Solve for x
    x = 4,663,377,710,130,642/99,421,090.50
  6. Step 6: Final answer
    x = 46,905,316.43

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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.