Home / 186,685,809.12-257,626,463.28-103,053,988.32

Finding the Fourth Proportional to 186,685,809.12, 257,626,463.28 and 103,053,988.32

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Solution

The fourth proportional to 186,685,809.12, 257,626,463.28 and 103,053,988.32 is: 142,214,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,685,809.12 : 257,626,463.28 = 103,053,988.32 : x
  2. Step 2: Convert to fraction form
    186,685,809.12/257,626,463.28 = 103,053,988.32/x
  3. Step 3: Cross multiply
    186,685,809.12x = 257,626,463.28 × 103,053,988.32
  4. Step 4: Simplify right side
    186,685,809.12x = 26,549,434,537,780,028
  5. Step 5: Solve for x
    x = 26,549,434,537,780,028/186,685,809.12
  6. Step 6: Final answer
    x = 142,214,529.66

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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.