Home / 90,219,830.64-124,482,026.66-51,061,606.58

Finding the Fourth Proportional to 90,219,830.64, 124,482,026.66 and 51,061,606.58

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Solution

The fourth proportional to 90,219,830.64, 124,482,026.66 and 51,061,606.58 is: 70,452,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,830.64 : 124,482,026.66 = 51,061,606.58 : x
  2. Step 2: Convert to fraction form
    90,219,830.64/124,482,026.66 = 51,061,606.58/x
  3. Step 3: Cross multiply
    90,219,830.64x = 124,482,026.66 × 51,061,606.58
  4. Step 4: Simplify right side
    90,219,830.64x = 6,356,252,271,593,991
  5. Step 5: Solve for x
    x = 6,356,252,271,593,991/90,219,830.64
  6. Step 6: Final answer
    x = 70,452,939.52

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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.