Home / 207,962,275.40-286,996,906.74-115,142,780.36

Finding the Fourth Proportional to 207,962,275.40, 286,996,906.74 and 115,142,780.36

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Solution

The fourth proportional to 207,962,275.40, 286,996,906.74 and 115,142,780.36 is: 158,902,001.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962,275.40 : 286,996,906.74 = 115,142,780.36 : x
  2. Step 2: Convert to fraction form
    207,962,275.40/286,996,906.74 = 115,142,780.36/x
  3. Step 3: Cross multiply
    207,962,275.40x = 286,996,906.74 × 115,142,780.36
  4. Step 4: Simplify right side
    207,962,275.40x = 33,045,621,796,763,224
  5. Step 5: Solve for x
    x = 33,045,621,796,763,224/207,962,275.40
  6. Step 6: Final answer
    x = 158,902,001.50

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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.