Home / 66,434,047.30-99,576,421.35-34,073,445.70

Finding the Fourth Proportional to 66,434,047.30, 99,576,421.35 and 34,073,445.70

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Solution

The fourth proportional to 66,434,047.30, 99,576,421.35 and 34,073,445.70 is: 51,071,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,047.30 : 99,576,421.35 = 34,073,445.70 : x
  2. Step 2: Convert to fraction form
    66,434,047.30/99,576,421.35 = 34,073,445.70/x
  3. Step 3: Cross multiply
    66,434,047.30x = 99,576,421.35 × 34,073,445.70
  4. Step 4: Simplify right side
    66,434,047.30x = 3,392,911,785,869,546
  5. Step 5: Solve for x
    x = 3,392,911,785,869,546/66,434,047.30
  6. Step 6: Final answer
    x = 51,071,881.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.