Home / 112,158,000.10-168,237,000.15-105,355,555.30

Finding the Fourth Proportional to 112,158,000.10, 168,237,000.15 and 105,355,555.30

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Solution

The fourth proportional to 112,158,000.10, 168,237,000.15 and 105,355,555.30 is: 158,033,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158,000.10 : 168,237,000.15 = 105,355,555.30 : x
  2. Step 2: Convert to fraction form
    112,158,000.10/168,237,000.15 = 105,355,555.30/x
  3. Step 3: Cross multiply
    112,158,000.10x = 168,237,000.15 × 105,355,555.30
  4. Step 4: Simplify right side
    112,158,000.10x = 17,724,702,572,809,434
  5. Step 5: Solve for x
    x = 17,724,702,572,809,434/112,158,000.10
  6. Step 6: Final answer
    x = 158,033,332.95

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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.