Home / 124,435,647.40-186,653,471.10-111,894,514.60

Finding the Fourth Proportional to 124,435,647.40, 186,653,471.10 and 111,894,514.60

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Solution

The fourth proportional to 124,435,647.40, 186,653,471.10 and 111,894,514.60 is: 167,841,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435,647.40 : 186,653,471.10 = 111,894,514.60 : x
  2. Step 2: Convert to fraction form
    124,435,647.40/186,653,471.10 = 111,894,514.60/x
  3. Step 3: Cross multiply
    124,435,647.40x = 186,653,471.10 × 111,894,514.60
  4. Step 4: Simplify right side
    124,435,647.40x = 20,885,499,547,139,628
  5. Step 5: Solve for x
    x = 20,885,499,547,139,628/124,435,647.40
  6. Step 6: Final answer
    x = 167,841,771.90

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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.