Home / 186,685,810.12-257,626,464.66-103,053,989.32

Finding the Fourth Proportional to 186,685,810.12, 257,626,464.66 and 103,053,989.32

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Solution

The fourth proportional to 186,685,810.12, 257,626,464.66 and 103,053,989.32 is: 142,214,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,685,810.12 : 257,626,464.66 = 103,053,989.32 : x
  2. Step 2: Convert to fraction form
    186,685,810.12/257,626,464.66 = 103,053,989.32/x
  3. Step 3: Cross multiply
    186,685,810.12x = 257,626,464.66 × 103,053,989.32
  4. Step 4: Simplify right side
    186,685,810.12x = 26,549,434,937,620,996
  5. Step 5: Solve for x
    x = 26,549,434,937,620,996/186,685,810.12
  6. Step 6: Final answer
    x = 142,214,531.04

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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.