Home / 42,742,970.51-58,985,349.26-23,163,857.87

Finding the Fourth Proportional to 42,742,970.51, 58,985,349.26 and 23,163,857.87

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Solution

The fourth proportional to 42,742,970.51, 58,985,349.26 and 23,163,857.87 is: 31,966,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742,970.51 : 58,985,349.26 = 23,163,857.87 : x
  2. Step 2: Convert to fraction form
    42,742,970.51/58,985,349.26 = 23,163,857.87/x
  3. Step 3: Cross multiply
    42,742,970.51x = 58,985,349.26 × 23,163,857.87
  4. Step 4: Simplify right side
    42,742,970.51x = 1,366,328,246,260,203.50
  5. Step 5: Solve for x
    x = 1,366,328,246,260,203.50/42,742,970.51
  6. Step 6: Final answer
    x = 31,966,150.93

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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.