Home / 90,167,065.95-124,366,405.37-82,748,683.66

Finding the Fourth Proportional to 90,167,065.95, 124,366,405.37 and 82,748,683.66

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Solution

The fourth proportional to 90,167,065.95, 124,366,405.37 and 82,748,683.66 is: 114,134,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,167,065.95 : 124,366,405.37 = 82,748,683.66 : x
  2. Step 2: Convert to fraction form
    90,167,065.95/124,366,405.37 = 82,748,683.66/x
  3. Step 3: Cross multiply
    90,167,065.95x = 124,366,405.37 × 82,748,683.66
  4. Step 4: Simplify right side
    90,167,065.95x = 10,291,156,335,401,982
  5. Step 5: Solve for x
    x = 10,291,156,335,401,982/90,167,065.95
  6. Step 6: Final answer
    x = 114,134,315.31

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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.