Home / 65,549,322.20-98,435,957.70-42,930,493.40

Finding the Fourth Proportional to 65,549,322.20, 98,435,957.70 and 42,930,493.40

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Solution

The fourth proportional to 65,549,322.20, 98,435,957.70 and 42,930,493.40 is: 64,469,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549,322.20 : 98,435,957.70 = 42,930,493.40 : x
  2. Step 2: Convert to fraction form
    65,549,322.20/98,435,957.70 = 42,930,493.40/x
  3. Step 3: Cross multiply
    65,549,322.20x = 98,435,957.70 × 42,930,493.40
  4. Step 4: Simplify right side
    65,549,322.20x = 4,225,904,232,362,529
  5. Step 5: Solve for x
    x = 4,225,904,232,362,529/65,549,322.20
  6. Step 6: Final answer
    x = 64,469,075.96

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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.