Home / 186,879,772.80-280,317,034.80-84,643,646.40

Finding the Fourth Proportional to 186,879,772.80, 280,317,034.80 and 84,643,646.40

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Solution

The fourth proportional to 186,879,772.80, 280,317,034.80 and 84,643,646.40 is: 126,964,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,879,772.80 : 280,317,034.80 = 84,643,646.40 : x
  2. Step 2: Convert to fraction form
    186,879,772.80/280,317,034.80 = 84,643,646.40/x
  3. Step 3: Cross multiply
    186,879,772.80x = 280,317,034.80 × 84,643,646.40
  4. Step 4: Simplify right side
    186,879,772.80x = 23,727,055,973,507,696
  5. Step 5: Solve for x
    x = 23,727,055,973,507,696/186,879,772.80
  6. Step 6: Final answer
    x = 126,964,280.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.