Home / 164,856,917.76-247,292,101.62-42,038,420.40

Finding the Fourth Proportional to 164,856,917.76, 247,292,101.62 and 42,038,420.40

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Solution

The fourth proportional to 164,856,917.76, 247,292,101.62 and 42,038,420.40 is: 63,059,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,856,917.76 : 247,292,101.62 = 42,038,420.40 : x
  2. Step 2: Convert to fraction form
    164,856,917.76/247,292,101.62 = 42,038,420.40/x
  3. Step 3: Cross multiply
    164,856,917.76x = 247,292,101.62 × 42,038,420.40
  4. Step 4: Simplify right side
    164,856,917.76x = 10,395,769,329,501,080
  5. Step 5: Solve for x
    x = 10,395,769,329,501,080/164,856,917.76
  6. Step 6: Final answer
    x = 63,059,345.47

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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.