Home / 172,459,628.80-258,311,529.60-153,312,006.40

Finding the Fourth Proportional to 172,459,628.80, 258,311,529.60 and 153,312,006.40

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Solution

The fourth proportional to 172,459,628.80, 258,311,529.60 and 153,312,006.40 is: 229,632,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,459,628.80 : 258,311,529.60 = 153,312,006.40 : x
  2. Step 2: Convert to fraction form
    172,459,628.80/258,311,529.60 = 153,312,006.40/x
  3. Step 3: Cross multiply
    172,459,628.80x = 258,311,529.60 × 153,312,006.40
  4. Step 4: Simplify right side
    172,459,628.80x = 39,602,258,879,228,992
  5. Step 5: Solve for x
    x = 39,602,258,879,228,992/172,459,628.80
  6. Step 6: Final answer
    x = 229,632,054.50

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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.