Home / 99,560,673.80-149,362,005.90-42,023,328.20

Finding the Fourth Proportional to 99,560,673.80, 149,362,005.90 and 42,023,328.20

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Solution

The fourth proportional to 99,560,673.80, 149,362,005.90 and 42,023,328.20 is: 63,043,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,560,673.80 : 149,362,005.90 = 42,023,328.20 : x
  2. Step 2: Convert to fraction form
    99,560,673.80/149,362,005.90 = 42,023,328.20/x
  3. Step 3: Cross multiply
    99,560,673.80x = 149,362,005.90 × 42,023,328.20
  4. Step 4: Simplify right side
    99,560,673.80x = 6,276,688,594,546,037
  5. Step 5: Solve for x
    x = 6,276,688,594,546,037/99,560,673.80
  6. Step 6: Final answer
    x = 63,043,854.11

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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.