Home / 90,847,110.52-125,369,522.58-51,688,886.32

Finding the Fourth Proportional to 90,847,110.52, 125,369,522.58 and 51,688,886.32

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Solution

The fourth proportional to 90,847,110.52, 125,369,522.58 and 51,688,886.32 is: 71,330,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847,110.52 : 125,369,522.58 = 51,688,886.32 : x
  2. Step 2: Convert to fraction form
    90,847,110.52/125,369,522.58 = 51,688,886.32/x
  3. Step 3: Cross multiply
    90,847,110.52x = 125,369,522.58 × 51,688,886.32
  4. Step 4: Simplify right side
    90,847,110.52x = 6,480,211,000,630,293
  5. Step 5: Solve for x
    x = 6,480,211,000,630,293/90,847,110.52
  6. Step 6: Final answer
    x = 71,330,953.33

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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.