Home / 186,351,920.02-257,177,155.22-102,719,862.01

Finding the Fourth Proportional to 186,351,920.02, 257,177,155.22 and 102,719,862.01

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Solution

The fourth proportional to 186,351,920.02, 257,177,155.22 and 102,719,862.01 is: 141,759,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351,920.02 : 257,177,155.22 = 102,719,862.01 : x
  2. Step 2: Convert to fraction form
    186,351,920.02/257,177,155.22 = 102,719,862.01/x
  3. Step 3: Cross multiply
    186,351,920.02x = 257,177,155.22 × 102,719,862.01
  4. Step 4: Simplify right side
    186,351,920.02x = 26,417,201,896,515,824
  5. Step 5: Solve for x
    x = 26,417,201,896,515,824/186,351,920.02
  6. Step 6: Final answer
    x = 141,759,751.62

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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.