Home / 165,430,821.60-248,146,232.40-42,608,901.60

Finding the Fourth Proportional to 165,430,821.60, 248,146,232.40 and 42,608,901.60

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Solution

The fourth proportional to 165,430,821.60, 248,146,232.40 and 42,608,901.60 is: 63,913,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,430,821.60 : 248,146,232.40 = 42,608,901.60 : x
  2. Step 2: Convert to fraction form
    165,430,821.60/248,146,232.40 = 42,608,901.60/x
  3. Step 3: Cross multiply
    165,430,821.60x = 248,146,232.40 × 42,608,901.60
  4. Step 4: Simplify right side
    165,430,821.60x = 10,573,238,398,742,332
  5. Step 5: Solve for x
    x = 10,573,238,398,742,332/165,430,821.60
  6. Step 6: Final answer
    x = 63,913,352.40

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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.