Home / 98,415,501.70-147,623,252.55-30,249,336.10

Finding the Fourth Proportional to 98,415,501.70, 147,623,252.55 and 30,249,336.10

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Solution

The fourth proportional to 98,415,501.70, 147,623,252.55 and 30,249,336.10 is: 45,374,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,501.70 : 147,623,252.55 = 30,249,336.10 : x
  2. Step 2: Convert to fraction form
    98,415,501.70/147,623,252.55 = 30,249,336.10/x
  3. Step 3: Cross multiply
    98,415,501.70x = 147,623,252.55 × 30,249,336.10
  4. Step 4: Simplify right side
    98,415,501.70x = 4,465,505,382,560,132.50
  5. Step 5: Solve for x
    x = 4,465,505,382,560,132.50/98,415,501.70
  6. Step 6: Final answer
    x = 45,374,004.15

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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.