Home / 201,474,031.80-302,211,047.70-157,636,054.20

Finding the Fourth Proportional to 201,474,031.80, 302,211,047.70 and 157,636,054.20

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Solution

The fourth proportional to 201,474,031.80, 302,211,047.70 and 157,636,054.20 is: 236,454,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,474,031.80 : 302,211,047.70 = 157,636,054.20 : x
  2. Step 2: Convert to fraction form
    201,474,031.80/302,211,047.70 = 157,636,054.20/x
  3. Step 3: Cross multiply
    201,474,031.80x = 302,211,047.70 × 157,636,054.20
  4. Step 4: Simplify right side
    201,474,031.80x = 47,639,357,095,075,976
  5. Step 5: Solve for x
    x = 47,639,357,095,075,976/201,474,031.80
  6. Step 6: Final answer
    x = 236,454,081.30

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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.