Home / 159,442,607.95-220,030,797.68-86,103,743.47

Finding the Fourth Proportional to 159,442,607.95, 220,030,797.68 and 86,103,743.47

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Solution

The fourth proportional to 159,442,607.95, 220,030,797.68 and 86,103,743.47 is: 118,823,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,442,607.95 : 220,030,797.68 = 86,103,743.47 : x
  2. Step 2: Convert to fraction form
    159,442,607.95/220,030,797.68 = 86,103,743.47/x
  3. Step 3: Cross multiply
    159,442,607.95x = 220,030,797.68 × 86,103,743.47
  4. Step 4: Simplify right side
    159,442,607.95x = 18,945,475,358,938,192
  5. Step 5: Solve for x
    x = 18,945,475,358,938,192/159,442,607.95
  6. Step 6: Final answer
    x = 118,823,165.29

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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.