Home / 153,001,272.60-229,501,908.90-139,608,959.40

Finding the Fourth Proportional to 153,001,272.60, 229,501,908.90 and 139,608,959.40

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Solution

The fourth proportional to 153,001,272.60, 229,501,908.90 and 139,608,959.40 is: 209,413,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,001,272.60 : 229,501,908.90 = 139,608,959.40 : x
  2. Step 2: Convert to fraction form
    153,001,272.60/229,501,908.90 = 139,608,959.40/x
  3. Step 3: Cross multiply
    153,001,272.60x = 229,501,908.90 × 139,608,959.40
  4. Step 4: Simplify right side
    153,001,272.60x = 32,040,522,681,842,600
  5. Step 5: Solve for x
    x = 32,040,522,681,842,600/153,001,272.60
  6. Step 6: Final answer
    x = 209,413,439.10

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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.