Home / 66,454,302.64-99,698,290.20-20,398,506.64

Finding the Fourth Proportional to 66,454,302.64, 99,698,290.20 and 20,398,506.64

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Solution

The fourth proportional to 66,454,302.64, 99,698,290.20 and 20,398,506.64 is: 30,602,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454,302.64 : 99,698,290.20 = 20,398,506.64 : x
  2. Step 2: Convert to fraction form
    66,454,302.64/99,698,290.20 = 20,398,506.64/x
  3. Step 3: Cross multiply
    66,454,302.64x = 99,698,290.20 × 20,398,506.64
  4. Step 4: Simplify right side
    66,454,302.64x = 2,033,696,234,641,347
  5. Step 5: Solve for x
    x = 2,033,696,234,641,347/66,454,302.64
  6. Step 6: Final answer
    x = 30,602,927.93

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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.