Home / 216,767,921.18-299,140,026.55-117,648,669.81

Finding the Fourth Proportional to 216,767,921.18, 299,140,026.55 and 117,648,669.81

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Solution

The fourth proportional to 216,767,921.18, 299,140,026.55 and 117,648,669.81 is: 162,355,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,767,921.18 : 299,140,026.55 = 117,648,669.81 : x
  2. Step 2: Convert to fraction form
    216,767,921.18/299,140,026.55 = 117,648,669.81/x
  3. Step 3: Cross multiply
    216,767,921.18x = 299,140,026.55 × 117,648,669.81
  4. Step 4: Simplify right side
    216,767,921.18x = 35,193,426,211,363,240
  5. Step 5: Solve for x
    x = 35,193,426,211,363,240/216,767,921.18
  6. Step 6: Final answer
    x = 162,355,324.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.