Home / 108,415,357.47-149,547,467.84-64,333,310.67

Finding the Fourth Proportional to 108,415,357.47, 149,547,467.84 and 64,333,310.67

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Solution

The fourth proportional to 108,415,357.47, 149,547,467.84 and 64,333,310.67 is: 88,740,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,415,357.47 : 149,547,467.84 = 64,333,310.67 : x
  2. Step 2: Convert to fraction form
    108,415,357.47/149,547,467.84 = 64,333,310.67/x
  3. Step 3: Cross multiply
    108,415,357.47x = 149,547,467.84 × 64,333,310.67
  4. Step 4: Simplify right side
    108,415,357.47x = 9,620,883,708,140,888
  5. Step 5: Solve for x
    x = 9,620,883,708,140,888/108,415,357.47
  6. Step 6: Final answer
    x = 88,740,967.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.