Home / 43,137,792,030.30-64,706,688,045.45-21,043,451,319.90

Finding the Fourth Proportional to 43,137,792,030.30, 64,706,688,045.45 and 21,043,451,319.90

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Solution

The fourth proportional to 43,137,792,030.30, 64,706,688,045.45 and 21,043,451,319.90 is: 31,565,176,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,792,030.30 : 64,706,688,045.45 = 21,043,451,319.90 : x
  2. Step 2: Convert to fraction form
    43,137,792,030.30/64,706,688,045.45 = 21,043,451,319.90/x
  3. Step 3: Cross multiply
    43,137,792,030.30x = 64,706,688,045.45 × 21,043,451,319.90
  4. Step 4: Simplify right side
    43,137,792,030.30x = 1,361,652,039,956,382,351,360
  5. Step 5: Solve for x
    x = 1,361,652,039,956,382,351,360/43,137,792,030.30
  6. Step 6: Final answer
    x = 31,565,176,979.85

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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.