Home / 186,776,182.32-257,748,441.03-103,147,851.48

Finding the Fourth Proportional to 186,776,182.32, 257,748,441.03 and 103,147,851.48

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Solution

The fourth proportional to 186,776,182.32, 257,748,441.03 and 103,147,851.48 is: 142,342,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776,182.32 : 257,748,441.03 = 103,147,851.48 : x
  2. Step 2: Convert to fraction form
    186,776,182.32/257,748,441.03 = 103,147,851.48/x
  3. Step 3: Cross multiply
    186,776,182.32x = 257,748,441.03 × 103,147,851.48
  4. Step 4: Simplify right side
    186,776,182.32x = 26,586,197,914,563,980
  5. Step 5: Solve for x
    x = 26,586,197,914,563,980/186,776,182.32
  6. Step 6: Final answer
    x = 142,342,549.16

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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.