Home / 159,615,749,271.40-220,270,317,509.46-86,371,980,349.84

Finding the Fourth Proportional to 159,615,749,271.40, 220,270,317,509.46 and 86,371,980,349.84

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Solution

The fourth proportional to 159,615,749,271.40, 220,270,317,509.46 and 86,371,980,349.84 is: 119,193,648,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,615,749,271.40 : 220,270,317,509.46 = 86,371,980,349.84 : x
  2. Step 2: Convert to fraction form
    159,615,749,271.40/220,270,317,509.46 = 86,371,980,349.84/x
  3. Step 3: Cross multiply
    159,615,749,271.40x = 220,270,317,509.46 × 86,371,980,349.84
  4. Step 4: Simplify right side
    159,615,749,271.40x = 19,025,183,535,580,093,349,888
  5. Step 5: Solve for x
    x = 19,025,183,535,580,093,349,888/159,615,749,271.40
  6. Step 6: Final answer
    x = 119,193,648,636.96

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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.