Home / 70,281,619.64-105,285,140.08-48,418,136.92

Finding the Fourth Proportional to 70,281,619.64, 105,285,140.08 and 48,418,136.92

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Solution

The fourth proportional to 70,281,619.64, 105,285,140.08 and 48,418,136.92 is: 72,532,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281,619.64 : 105,285,140.08 = 48,418,136.92 : x
  2. Step 2: Convert to fraction form
    70,281,619.64/105,285,140.08 = 48,418,136.92/x
  3. Step 3: Cross multiply
    70,281,619.64x = 105,285,140.08 × 48,418,136.92
  4. Step 4: Simplify right side
    70,281,619.64x = 5,097,710,328,034,820
  5. Step 5: Solve for x
    x = 5,097,710,328,034,820/70,281,619.64
  6. Step 6: Final answer
    x = 72,532,624.52

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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.