Home / 83,141,511,466.80-124,712,267,200.20-82,406,847,428.40

Finding the Fourth Proportional to 83,141,511,466.80, 124,712,267,200.20 and 82,406,847,428.40

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Solution

The fourth proportional to 83,141,511,466.80, 124,712,267,200.20 and 82,406,847,428.40 is: 123,610,271,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,141,511,466.80 : 124,712,267,200.20 = 82,406,847,428.40 : x
  2. Step 2: Convert to fraction form
    83,141,511,466.80/124,712,267,200.20 = 82,406,847,428.40/x
  3. Step 3: Cross multiply
    83,141,511,466.80x = 124,712,267,200.20 × 82,406,847,428.40
  4. Step 4: Simplify right side
    83,141,511,466.80x = 10,277,144,775,616,733,642,752
  5. Step 5: Solve for x
    x = 10,277,144,775,616,733,642,752/83,141,511,466.80
  6. Step 6: Final answer
    x = 123,610,271,142.60

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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.