Home / 135,791,776,075.74-187,384,207,549.86-74,820,731,287.20

Finding the Fourth Proportional to 135,791,776,075.74, 187,384,207,549.86 and 74,820,731,287.20

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Solution

The fourth proportional to 135,791,776,075.74, 187,384,207,549.86 and 74,820,731,287.20 is: 103,247,956,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,791,776,075.74 : 187,384,207,549.86 = 74,820,731,287.20 : x
  2. Step 2: Convert to fraction form
    135,791,776,075.74/187,384,207,549.86 = 74,820,731,287.20/x
  3. Step 3: Cross multiply
    135,791,776,075.74x = 187,384,207,549.86 × 74,820,731,287.20
  4. Step 4: Simplify right side
    135,791,776,075.74x = 14,020,223,440,552,986,673,152
  5. Step 5: Solve for x
    x = 14,020,223,440,552,986,673,152/135,791,776,075.74
  6. Step 6: Final answer
    x = 103,247,956,877.25

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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.