Home / 84,070,621.12-116,017,506.90-46,900,901.56

Finding the Fourth Proportional to 84,070,621.12, 116,017,506.90 and 46,900,901.56

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Solution

The fourth proportional to 84,070,621.12, 116,017,506.90 and 46,900,901.56 is: 64,723,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070,621.12 : 116,017,506.90 = 46,900,901.56 : x
  2. Step 2: Convert to fraction form
    84,070,621.12/116,017,506.90 = 46,900,901.56/x
  3. Step 3: Cross multiply
    84,070,621.12x = 116,017,506.90 × 46,900,901.56
  4. Step 4: Simplify right side
    84,070,621.12x = 5,441,325,670,353,521
  5. Step 5: Solve for x
    x = 5,441,325,670,353,521/84,070,621.12
  6. Step 6: Final answer
    x = 64,723,271.91

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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.