Home / 159,615,749,270.40-220,270,317,508.08-86,371,980,348.84

Finding the Fourth Proportional to 159,615,749,270.40, 220,270,317,508.08 and 86,371,980,348.84

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Solution

The fourth proportional to 159,615,749,270.40, 220,270,317,508.08 and 86,371,980,348.84 is: 119,193,648,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615,749,270.40 : 220,270,317,508.08 = 86,371,980,348.84 : x
  2. Step 2: Convert to fraction form
    159,615,749,270.40/220,270,317,508.08 = 86,371,980,348.84/x
  3. Step 3: Cross multiply
    159,615,749,270.40x = 220,270,317,508.08 × 86,371,980,348.84
  4. Step 4: Simplify right side
    159,615,749,270.40x = 19,025,183,535,240,631,549,952
  5. Step 5: Solve for x
    x = 19,025,183,535,240,631,549,952/159,615,749,270.40
  6. Step 6: Final answer
    x = 119,193,648,635.58

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1.5x scale

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.