Home / 152,084,813.79-209,903,914.02-89,360,899.28

Finding the Fourth Proportional to 152,084,813.79, 209,903,914.02 and 89,360,899.28

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Solution

The fourth proportional to 152,084,813.79, 209,903,914.02 and 89,360,899.28 is: 123,333,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,084,813.79 : 209,903,914.02 = 89,360,899.28 : x
  2. Step 2: Convert to fraction form
    152,084,813.79/209,903,914.02 = 89,360,899.28/x
  3. Step 3: Cross multiply
    152,084,813.79x = 209,903,914.02 × 89,360,899.28
  4. Step 4: Simplify right side
    152,084,813.79x = 18,757,202,519,041,512
  5. Step 5: Solve for x
    x = 18,757,202,519,041,512/152,084,813.79
  6. Step 6: Final answer
    x = 123,333,829.66

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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.