Home / 98,889,041.60-148,356,112.80-30,738,622.40

Finding the Fourth Proportional to 98,889,041.60, 148,356,112.80 and 30,738,622.40

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Solution

The fourth proportional to 98,889,041.60, 148,356,112.80 and 30,738,622.40 is: 46,114,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,889,041.60 : 148,356,112.80 = 30,738,622.40 : x
  2. Step 2: Convert to fraction form
    98,889,041.60/148,356,112.80 = 30,738,622.40/x
  3. Step 3: Cross multiply
    98,889,041.60x = 148,356,112.80 × 30,738,622.40
  4. Step 4: Simplify right side
    98,889,041.60x = 4,560,262,532,091,007
  5. Step 5: Solve for x
    x = 4,560,262,532,091,007/98,889,041.60
  6. Step 6: Final answer
    x = 46,114,943.16

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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.