Home / 152,539,427.40-228,809,141.10-80,875,811.40

Finding the Fourth Proportional to 152,539,427.40, 228,809,141.10 and 80,875,811.40

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Solution

The fourth proportional to 152,539,427.40, 228,809,141.10 and 80,875,811.40 is: 121,313,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,539,427.40 : 228,809,141.10 = 80,875,811.40 : x
  2. Step 2: Convert to fraction form
    152,539,427.40/228,809,141.10 = 80,875,811.40/x
  3. Step 3: Cross multiply
    152,539,427.40x = 228,809,141.10 × 80,875,811.40
  4. Step 4: Simplify right side
    152,539,427.40x = 18,505,124,942,199,588
  5. Step 5: Solve for x
    x = 18,505,124,942,199,588/152,539,427.40
  6. Step 6: Final answer
    x = 121,313,717.10

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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.