Home / 163,818,999.60-245,728,499.40-42,650,451.60

Finding the Fourth Proportional to 163,818,999.60, 245,728,499.40 and 42,650,451.60

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Solution

The fourth proportional to 163,818,999.60, 245,728,499.40 and 42,650,451.60 is: 63,975,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,818,999.60 : 245,728,499.40 = 42,650,451.60 : x
  2. Step 2: Convert to fraction form
    163,818,999.60/245,728,499.40 = 42,650,451.60/x
  3. Step 3: Cross multiply
    163,818,999.60x = 245,728,499.40 × 42,650,451.60
  4. Step 4: Simplify right side
    163,818,999.60x = 10,480,431,470,400,330
  5. Step 5: Solve for x
    x = 10,480,431,470,400,330/163,818,999.60
  6. Step 6: Final answer
    x = 63,975,677.40

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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.