Home / 43,137,792,037.80-64,706,688,056.70-21,043,451,327.40

Finding the Fourth Proportional to 43,137,792,037.80, 64,706,688,056.70 and 21,043,451,327.40

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Solution

The fourth proportional to 43,137,792,037.80, 64,706,688,056.70 and 21,043,451,327.40 is: 31,565,176,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,792,037.80 : 64,706,688,056.70 = 21,043,451,327.40 : x
  2. Step 2: Convert to fraction form
    43,137,792,037.80/64,706,688,056.70 = 21,043,451,327.40/x
  3. Step 3: Cross multiply
    43,137,792,037.80x = 64,706,688,056.70 × 21,043,451,327.40
  4. Step 4: Simplify right side
    43,137,792,037.80x = 1,361,652,040,678,421,299,200
  5. Step 5: Solve for x
    x = 1,361,652,040,678,421,299,200/43,137,792,037.80
  6. Step 6: Final answer
    x = 31,565,176,991.10

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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.