Home / 310,554,089.20-465,831,133.80-92,238,126.40

Finding the Fourth Proportional to 310,554,089.20, 465,831,133.80 and 92,238,126.40

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Solution

The fourth proportional to 310,554,089.20, 465,831,133.80 and 92,238,126.40 is: 138,357,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,554,089.20 : 465,831,133.80 = 92,238,126.40 : x
  2. Step 2: Convert to fraction form
    310,554,089.20/465,831,133.80 = 92,238,126.40/x
  3. Step 3: Cross multiply
    310,554,089.20x = 465,831,133.80 × 92,238,126.40
  4. Step 4: Simplify right side
    310,554,089.20x = 42,967,391,000,499,720
  5. Step 5: Solve for x
    x = 42,967,391,000,499,720/310,554,089.20
  6. Step 6: Final answer
    x = 138,357,189.60

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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.