Home / 286,896,183.20-430,663,139.40-157,756,020.20

Finding the Fourth Proportional to 286,896,183.20, 430,663,139.40 and 157,756,020.20

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Solution

The fourth proportional to 286,896,183.20, 430,663,139.40 and 157,756,020.20 is: 236,809,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,896,183.20 : 430,663,139.40 = 157,756,020.20 : x
  2. Step 2: Convert to fraction form
    286,896,183.20/430,663,139.40 = 157,756,020.20/x
  3. Step 3: Cross multiply
    286,896,183.20x = 430,663,139.40 × 157,756,020.20
  4. Step 4: Simplify right side
    286,896,183.20x = 67,939,702,918,581,808
  5. Step 5: Solve for x
    x = 67,939,702,918,581,808/286,896,183.20
  6. Step 6: Final answer
    x = 236,809,364.84

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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.