Home / 66,442,922.80-99,664,384.20-62,411,844.40

Finding the Fourth Proportional to 66,442,922.80, 99,664,384.20 and 62,411,844.40

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Solution

The fourth proportional to 66,442,922.80, 99,664,384.20 and 62,411,844.40 is: 93,617,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,442,922.80 : 99,664,384.20 = 62,411,844.40 : x
  2. Step 2: Convert to fraction form
    66,442,922.80/99,664,384.20 = 62,411,844.40/x
  3. Step 3: Cross multiply
    66,442,922.80x = 99,664,384.20 × 62,411,844.40
  4. Step 4: Simplify right side
    66,442,922.80x = 6,220,238,038,912,219
  5. Step 5: Solve for x
    x = 6,220,238,038,912,219/66,442,922.80
  6. Step 6: Final answer
    x = 93,617,766.60

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1.5x scale

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.