Home / 213,143,278-294,140,176.86-125,038,774.48

Finding the Fourth Proportional to 213,143,278, 294,140,176.86 and 125,038,774.48

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Solution

The fourth proportional to 213,143,278, 294,140,176.86 and 125,038,774.48 is: 172,554,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,143,278 : 294,140,176.86 = 125,038,774.48 : x
  2. Step 2: Convert to fraction form
    213,143,278/294,140,176.86 = 125,038,774.48/x
  3. Step 3: Cross multiply
    213,143,278x = 294,140,176.86 × 125,038,774.48
  4. Step 4: Simplify right side
    213,143,278x = 36,778,927,239,904,856
  5. Step 5: Solve for x
    x = 36,778,927,239,904,856/213,143,278
  6. Step 6: Final answer
    x = 172,554,947.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.