Home / 90,440,362.36-124,807,761.56-50,742,412.91

Finding the Fourth Proportional to 90,440,362.36, 124,807,761.56 and 50,742,412.91

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Solution

The fourth proportional to 90,440,362.36, 124,807,761.56 and 50,742,412.91 is: 70,024,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440,362.36 : 124,807,761.56 = 50,742,412.91 : x
  2. Step 2: Convert to fraction form
    90,440,362.36/124,807,761.56 = 50,742,412.91/x
  3. Step 3: Cross multiply
    90,440,362.36x = 124,807,761.56 × 50,742,412.91
  4. Step 4: Simplify right side
    90,440,362.36x = 6,333,046,970,953,163
  5. Step 5: Solve for x
    x = 6,333,046,970,953,163/90,440,362.36
  6. Step 6: Final answer
    x = 70,024,564.32

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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.