Home / 70,159,918.80-105,239,878.20-34,328,110.80

Finding the Fourth Proportional to 70,159,918.80, 105,239,878.20 and 34,328,110.80

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Solution

The fourth proportional to 70,159,918.80, 105,239,878.20 and 34,328,110.80 is: 51,492,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,159,918.80 : 105,239,878.20 = 34,328,110.80 : x
  2. Step 2: Convert to fraction form
    70,159,918.80/105,239,878.20 = 34,328,110.80/x
  3. Step 3: Cross multiply
    70,159,918.80x = 105,239,878.20 × 34,328,110.80
  4. Step 4: Simplify right side
    70,159,918.80x = 3,612,686,199,428,104.50
  5. Step 5: Solve for x
    x = 3,612,686,199,428,104.50/70,159,918.80
  6. Step 6: Final answer
    x = 51,492,166.20

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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.