Home / 152,352,154.40-228,528,231.60-80,688,538.40

Finding the Fourth Proportional to 152,352,154.40, 228,528,231.60 and 80,688,538.40

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Solution

The fourth proportional to 152,352,154.40, 228,528,231.60 and 80,688,538.40 is: 121,032,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,352,154.40 : 228,528,231.60 = 80,688,538.40 : x
  2. Step 2: Convert to fraction form
    152,352,154.40/228,528,231.60 = 80,688,538.40/x
  3. Step 3: Cross multiply
    152,352,154.40x = 228,528,231.60 × 80,688,538.40
  4. Step 4: Simplify right side
    152,352,154.40x = 18,439,608,990,940,696
  5. Step 5: Solve for x
    x = 18,439,608,990,940,696/152,352,154.40
  6. Step 6: Final answer
    x = 121,032,807.60

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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.