Home / 43,137,792,020.80-64,706,688,031.20-21,043,451,310.40

Finding the Fourth Proportional to 43,137,792,020.80, 64,706,688,031.20 and 21,043,451,310.40

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Solution

The fourth proportional to 43,137,792,020.80, 64,706,688,031.20 and 21,043,451,310.40 is: 31,565,176,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,792,020.80 : 64,706,688,031.20 = 21,043,451,310.40 : x
  2. Step 2: Convert to fraction form
    43,137,792,020.80/64,706,688,031.20 = 21,043,451,310.40/x
  3. Step 3: Cross multiply
    43,137,792,020.80x = 64,706,688,031.20 × 21,043,451,310.40
  4. Step 4: Simplify right side
    43,137,792,020.80x = 1,361,652,039,041,799,684,096
  5. Step 5: Solve for x
    x = 1,361,652,039,041,799,684,096/43,137,792,020.80
  6. Step 6: Final answer
    x = 31,565,176,965.60

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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.