Home / 78,614,666,929.80-117,922,000,394.70-64,656,050,200.20

Finding the Fourth Proportional to 78,614,666,929.80, 117,922,000,394.70 and 64,656,050,200.20

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Solution

The fourth proportional to 78,614,666,929.80, 117,922,000,394.70 and 64,656,050,200.20 is: 96,984,075,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,614,666,929.80 : 117,922,000,394.70 = 64,656,050,200.20 : x
  2. Step 2: Convert to fraction form
    78,614,666,929.80/117,922,000,394.70 = 64,656,050,200.20/x
  3. Step 3: Cross multiply
    78,614,666,929.80x = 117,922,000,394.70 × 64,656,050,200.20
  4. Step 4: Simplify right side
    78,614,666,929.80x = 7,624,370,777,227,726,422,016
  5. Step 5: Solve for x
    x = 7,624,370,777,227,726,422,016/78,614,666,929.80
  6. Step 6: Final answer
    x = 96,984,075,300.30

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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.