Home / 55,367,643.10-83,051,464.65-42,453,626.80

Finding the Fourth Proportional to 55,367,643.10, 83,051,464.65 and 42,453,626.80

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Solution

The fourth proportional to 55,367,643.10, 83,051,464.65 and 42,453,626.80 is: 63,680,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367,643.10 : 83,051,464.65 = 42,453,626.80 : x
  2. Step 2: Convert to fraction form
    55,367,643.10/83,051,464.65 = 42,453,626.80/x
  3. Step 3: Cross multiply
    55,367,643.10x = 83,051,464.65 × 42,453,626.80
  4. Step 4: Simplify right side
    55,367,643.10x = 3,525,835,885,444,492.50
  5. Step 5: Solve for x
    x = 3,525,835,885,444,492.50/55,367,643.10
  6. Step 6: Final answer
    x = 63,680,440.20

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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.