Home / 121,987,688.64-182,991,866.53-39,001,405.02

Finding the Fourth Proportional to 121,987,688.64, 182,991,866.53 and 39,001,405.02

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Solution

The fourth proportional to 121,987,688.64, 182,991,866.53 and 39,001,405.02 is: 58,505,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,987,688.64 : 182,991,866.53 = 39,001,405.02 : x
  2. Step 2: Convert to fraction form
    121,987,688.64/182,991,866.53 = 39,001,405.02/x
  3. Step 3: Cross multiply
    121,987,688.64x = 182,991,866.53 × 39,001,405.02
  4. Step 4: Simplify right side
    121,987,688.64x = 7,136,939,901,902,313
  5. Step 5: Solve for x
    x = 7,136,939,901,902,313/121,987,688.64
  6. Step 6: Final answer
    x = 58,505,411.34

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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.