Home / 90,847,004.52-125,369,376.30-51,688,780.32

Finding the Fourth Proportional to 90,847,004.52, 125,369,376.30 and 51,688,780.32

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Solution

The fourth proportional to 90,847,004.52, 125,369,376.30 and 51,688,780.32 is: 71,330,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847,004.52 : 125,369,376.30 = 51,688,780.32 : x
  2. Step 2: Convert to fraction form
    90,847,004.52/125,369,376.30 = 51,688,780.32/x
  3. Step 3: Cross multiply
    90,847,004.52x = 125,369,376.30 × 51,688,780.32
  4. Step 4: Simplify right side
    90,847,004.52x = 6,480,190,150,426,114
  5. Step 5: Solve for x
    x = 6,480,190,150,426,114/90,847,004.52
  6. Step 6: Final answer
    x = 71,330,807.05

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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.