Home / 57,435,907.85-86,154,612.03-19,097,421.20

Finding the Fourth Proportional to 57,435,907.85, 86,154,612.03 and 19,097,421.20

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Solution

The fourth proportional to 57,435,907.85, 86,154,612.03 and 19,097,421.20 is: 28,646,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435,907.85 : 86,154,612.03 = 19,097,421.20 : x
  2. Step 2: Convert to fraction form
    57,435,907.85/86,154,612.03 = 19,097,421.20/x
  3. Step 3: Cross multiply
    57,435,907.85x = 86,154,612.03 × 19,097,421.20
  4. Step 4: Simplify right side
    57,435,907.85x = 1,645,330,913,828,724
  5. Step 5: Solve for x
    x = 1,645,330,913,828,724/57,435,907.85
  6. Step 6: Final answer
    x = 28,646,381.25

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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.