Home / 66,440,328.30-99,660,492.45-43,482,077.10

Finding the Fourth Proportional to 66,440,328.30, 99,660,492.45 and 43,482,077.10

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Solution

The fourth proportional to 66,440,328.30, 99,660,492.45 and 43,482,077.10 is: 65,223,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,328.30 : 99,660,492.45 = 43,482,077.10 : x
  2. Step 2: Convert to fraction form
    66,440,328.30/99,660,492.45 = 43,482,077.10/x
  3. Step 3: Cross multiply
    66,440,328.30x = 99,660,492.45 × 43,482,077.10
  4. Step 4: Simplify right side
    66,440,328.30x = 4,333,445,216,534,868
  5. Step 5: Solve for x
    x = 4,333,445,216,534,868/66,440,328.30
  6. Step 6: Final answer
    x = 65,223,115.65

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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.