Home / 101,100,371,020.04-139,451,333,113.14-65,017,023,290.12

Finding the Fourth Proportional to 101,100,371,020.04, 139,451,333,113.14 and 65,017,023,290.12

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Solution

The fourth proportional to 101,100,371,020.04, 139,451,333,113.14 and 65,017,023,290.12 is: 89,680,289,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,100,371,020.04 : 139,451,333,113.14 = 65,017,023,290.12 : x
  2. Step 2: Convert to fraction form
    101,100,371,020.04/139,451,333,113.14 = 65,017,023,290.12/x
  3. Step 3: Cross multiply
    101,100,371,020.04x = 139,451,333,113.14 × 65,017,023,290.12
  4. Step 4: Simplify right side
    101,100,371,020.04x = 9,066,710,572,855,306,747,904
  5. Step 5: Solve for x
    x = 9,066,710,572,855,306,747,904/101,100,371,020.04
  6. Step 6: Final answer
    x = 89,680,289,808.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.