Home / 78,614,712,219.80-117,922,068,329.70-64,656,095,490.20

Finding the Fourth Proportional to 78,614,712,219.80, 117,922,068,329.70 and 64,656,095,490.20

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Solution

The fourth proportional to 78,614,712,219.80, 117,922,068,329.70 and 64,656,095,490.20 is: 96,984,143,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,614,712,219.80 : 117,922,068,329.70 = 64,656,095,490.20 : x
  2. Step 2: Convert to fraction form
    78,614,712,219.80/117,922,068,329.70 = 64,656,095,490.20/x
  3. Step 3: Cross multiply
    78,614,712,219.80x = 117,922,068,329.70 × 64,656,095,490.20
  4. Step 4: Simplify right side
    78,614,712,219.80x = 7,624,380,510,326,971,432,960
  5. Step 5: Solve for x
    x = 7,624,380,510,326,971,432,960/78,614,712,219.80
  6. Step 6: Final answer
    x = 96,984,143,235.30

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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.