Home / 66,172,030.60-99,258,045.90-47,890,460.20

Finding the Fourth Proportional to 66,172,030.60, 99,258,045.90 and 47,890,460.20

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Solution

The fourth proportional to 66,172,030.60, 99,258,045.90 and 47,890,460.20 is: 71,835,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,172,030.60 : 99,258,045.90 = 47,890,460.20 : x
  2. Step 2: Convert to fraction form
    66,172,030.60/99,258,045.90 = 47,890,460.20/x
  3. Step 3: Cross multiply
    66,172,030.60x = 99,258,045.90 × 47,890,460.20
  4. Step 4: Simplify right side
    66,172,030.60x = 4,753,513,496,703,724
  5. Step 5: Solve for x
    x = 4,753,513,496,703,724/66,172,030.60
  6. Step 6: Final answer
    x = 71,835,690.30

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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.