Home / 210,200,802.78-315,266,970.32-73,854,358.14

Finding the Fourth Proportional to 210,200,802.78, 315,266,970.32 and 73,854,358.14

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Solution

The fourth proportional to 210,200,802.78, 315,266,970.32 and 73,854,358.14 is: 110,769,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200,802.78 : 315,266,970.32 = 73,854,358.14 : x
  2. Step 2: Convert to fraction form
    210,200,802.78/315,266,970.32 = 73,854,358.14/x
  3. Step 3: Cross multiply
    210,200,802.78x = 315,266,970.32 × 73,854,358.14
  4. Step 4: Simplify right side
    210,200,802.78x = 23,283,839,735,726,032
  5. Step 5: Solve for x
    x = 23,283,839,735,726,032/210,200,802.78
  6. Step 6: Final answer
    x = 110,769,509.10

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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.