Home / 255,095,411.81-352,009,211.55-142,056,363.83

Finding the Fourth Proportional to 255,095,411.81, 352,009,211.55 and 142,056,363.83

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Solution

The fourth proportional to 255,095,411.81, 352,009,211.55 and 142,056,363.83 is: 196,025,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,095,411.81 : 352,009,211.55 = 142,056,363.83 : x
  2. Step 2: Convert to fraction form
    255,095,411.81/352,009,211.55 = 142,056,363.83/x
  3. Step 3: Cross multiply
    255,095,411.81x = 352,009,211.55 × 142,056,363.83
  4. Step 4: Simplify right side
    255,095,411.81x = 50,005,148,627,458,248
  5. Step 5: Solve for x
    x = 50,005,148,627,458,248/255,095,411.81
  6. Step 6: Final answer
    x = 196,025,276.47

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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.