Home / 66,931,284.80-100,396,927.20-62,900,206.40

Finding the Fourth Proportional to 66,931,284.80, 100,396,927.20 and 62,900,206.40

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Solution

The fourth proportional to 66,931,284.80, 100,396,927.20 and 62,900,206.40 is: 94,350,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,931,284.80 : 100,396,927.20 = 62,900,206.40 : x
  2. Step 2: Convert to fraction form
    66,931,284.80/100,396,927.20 = 62,900,206.40/x
  3. Step 3: Cross multiply
    66,931,284.80x = 100,396,927.20 × 62,900,206.40
  4. Step 4: Simplify right side
    66,931,284.80x = 6,314,987,442,805,774
  5. Step 5: Solve for x
    x = 6,314,987,442,805,774/66,931,284.80
  6. Step 6: Final answer
    x = 94,350,309.60

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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.