Home / 70,009,721.60-105,014,582.40-60,572,537.60

Finding the Fourth Proportional to 70,009,721.60, 105,014,582.40 and 60,572,537.60

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Solution

The fourth proportional to 70,009,721.60, 105,014,582.40 and 60,572,537.60 is: 90,858,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009,721.60 : 105,014,582.40 = 60,572,537.60 : x
  2. Step 2: Convert to fraction form
    70,009,721.60/105,014,582.40 = 60,572,537.60/x
  3. Step 3: Cross multiply
    70,009,721.60x = 105,014,582.40 × 60,572,537.60
  4. Step 4: Simplify right side
    70,009,721.60x = 6,360,999,740,972,299
  5. Step 5: Solve for x
    x = 6,360,999,740,972,299/70,009,721.60
  6. Step 6: Final answer
    x = 90,858,806.40

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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.