Home / 166,548,776.68-249,908,554.14-80,360,681.32

Finding the Fourth Proportional to 166,548,776.68, 249,908,554.14 and 80,360,681.32

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Solution

The fourth proportional to 166,548,776.68, 249,908,554.14 and 80,360,681.32 is: 120,582,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,548,776.68 : 249,908,554.14 = 80,360,681.32 : x
  2. Step 2: Convert to fraction form
    166,548,776.68/249,908,554.14 = 80,360,681.32/x
  3. Step 3: Cross multiply
    166,548,776.68x = 249,908,554.14 × 80,360,681.32
  4. Step 4: Simplify right side
    166,548,776.68x = 20,082,821,678,386,504
  5. Step 5: Solve for x
    x = 20,082,821,678,386,504/166,548,776.68
  6. Step 6: Final answer
    x = 120,582,222.69

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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.