Home / 186,507,119.64-257,276,500.80-130,835,427.18

Finding the Fourth Proportional to 186,507,119.64, 257,276,500.80 and 130,835,427.18

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Solution

The fourth proportional to 186,507,119.64, 257,276,500.80 and 130,835,427.18 is: 180,480,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,507,119.64 : 257,276,500.80 = 130,835,427.18 : x
  2. Step 2: Convert to fraction form
    186,507,119.64/257,276,500.80 = 130,835,427.18/x
  3. Step 3: Cross multiply
    186,507,119.64x = 257,276,500.80 × 130,835,427.18
  4. Step 4: Simplify right side
    186,507,119.64x = 33,660,880,885,543,616
  5. Step 5: Solve for x
    x = 33,660,880,885,543,616/186,507,119.64
  6. Step 6: Final answer
    x = 180,480,407.13

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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.