Home / 291,254,806.90-436,882,210.35-155,205,910.90

Finding the Fourth Proportional to 291,254,806.90, 436,882,210.35 and 155,205,910.90

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Solution

The fourth proportional to 291,254,806.90, 436,882,210.35 and 155,205,910.90 is: 232,808,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,254,806.90 : 436,882,210.35 = 155,205,910.90 : x
  2. Step 2: Convert to fraction form
    291,254,806.90/436,882,210.35 = 155,205,910.90/x
  3. Step 3: Cross multiply
    291,254,806.90x = 436,882,210.35 × 155,205,910.90
  4. Step 4: Simplify right side
    291,254,806.90x = 67,806,701,413,377,168
  5. Step 5: Solve for x
    x = 67,806,701,413,377,168/291,254,806.90
  6. Step 6: Final answer
    x = 232,808,866.35

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1.5x scale

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.