Home / 93,136,628.66-128,535,340.66-53,988,512.18

Finding the Fourth Proportional to 93,136,628.66, 128,535,340.66 and 53,988,512.18

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Solution

The fourth proportional to 93,136,628.66, 128,535,340.66 and 53,988,512.18 is: 74,508,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136,628.66 : 128,535,340.66 = 53,988,512.18 : x
  2. Step 2: Convert to fraction form
    93,136,628.66/128,535,340.66 = 53,988,512.18/x
  3. Step 3: Cross multiply
    93,136,628.66x = 128,535,340.66 × 53,988,512.18
  4. Step 4: Simplify right side
    93,136,628.66x = 6,939,431,804,005,211
  5. Step 5: Solve for x
    x = 6,939,431,804,005,211/93,136,628.66
  6. Step 6: Final answer
    x = 74,508,084.57

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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.