Home / 101,537,741,117.04-140,120,197,685.40-55,811,038,993.38

Finding the Fourth Proportional to 101,537,741,117.04, 140,120,197,685.40 and 55,811,038,993.38

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Solution

The fourth proportional to 101,537,741,117.04, 140,120,197,685.40 and 55,811,038,993.38 is: 77,018,197,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537,741,117.04 : 140,120,197,685.40 = 55,811,038,993.38 : x
  2. Step 2: Convert to fraction form
    101,537,741,117.04/140,120,197,685.40 = 55,811,038,993.38/x
  3. Step 3: Cross multiply
    101,537,741,117.04x = 140,120,197,685.40 × 55,811,038,993.38
  4. Step 4: Simplify right side
    101,537,741,117.04x = 7,820,253,816,779,972,804,608
  5. Step 5: Solve for x
    x = 7,820,253,816,779,972,804,608/101,537,741,117.04
  6. Step 6: Final answer
    x = 77,018,197,674.56

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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.