Home / 157,234,441.55-216,993,237.18-86,669,892.60

Finding the Fourth Proportional to 157,234,441.55, 216,993,237.18 and 86,669,892.60

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Solution

The fourth proportional to 157,234,441.55, 216,993,237.18 and 86,669,892.60 is: 119,609,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,234,441.55 : 216,993,237.18 = 86,669,892.60 : x
  2. Step 2: Convert to fraction form
    157,234,441.55/216,993,237.18 = 86,669,892.60/x
  3. Step 3: Cross multiply
    157,234,441.55x = 216,993,237.18 × 86,669,892.60
  4. Step 4: Simplify right side
    157,234,441.55x = 18,806,780,561,032,136
  5. Step 5: Solve for x
    x = 18,806,780,561,032,136/157,234,441.55
  6. Step 6: Final answer
    x = 119,609,802.89

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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.