Home / 216,688,152.09-299,025,878.87-131,884,617.06

Finding the Fourth Proportional to 216,688,152.09, 299,025,878.87 and 131,884,617.06

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Solution

The fourth proportional to 216,688,152.09, 299,025,878.87 and 131,884,617.06 is: 181,998,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,688,152.09 : 299,025,878.87 = 131,884,617.06 : x
  2. Step 2: Convert to fraction form
    216,688,152.09/299,025,878.87 = 131,884,617.06/x
  3. Step 3: Cross multiply
    216,688,152.09x = 299,025,878.87 × 131,884,617.06
  4. Step 4: Simplify right side
    216,688,152.09x = 39,436,913,525,140,472
  5. Step 5: Solve for x
    x = 39,436,913,525,140,472/216,688,152.09
  6. Step 6: Final answer
    x = 181,998,476.36

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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.