Home / 98,196,905.70-147,290,019.51-30,039,597.45

Finding the Fourth Proportional to 98,196,905.70, 147,290,019.51 and 30,039,597.45

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Solution

The fourth proportional to 98,196,905.70, 147,290,019.51 and 30,039,597.45 is: 45,057,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,196,905.70 : 147,290,019.51 = 30,039,597.45 : x
  2. Step 2: Convert to fraction form
    98,196,905.70/147,290,019.51 = 30,039,597.45/x
  3. Step 3: Cross multiply
    98,196,905.70x = 147,290,019.51 × 30,039,597.45
  4. Step 4: Simplify right side
    98,196,905.70x = 4,424,532,894,483,046
  5. Step 5: Solve for x
    x = 4,424,532,894,483,046/98,196,905.70
  6. Step 6: Final answer
    x = 45,057,762.90

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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.