Home / 93,220,000.12-128,621,103.61-60,173,171.92

Finding the Fourth Proportional to 93,220,000.12, 128,621,103.61 and 60,173,171.92

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Solution

The fourth proportional to 93,220,000.12, 128,621,103.61 and 60,173,171.92 is: 83,024,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220,000.12 : 128,621,103.61 = 60,173,171.92 : x
  2. Step 2: Convert to fraction form
    93,220,000.12/128,621,103.61 = 60,173,171.92/x
  3. Step 3: Cross multiply
    93,220,000.12x = 128,621,103.61 × 60,173,171.92
  4. Step 4: Simplify right side
    93,220,000.12x = 7,739,539,779,464,638
  5. Step 5: Solve for x
    x = 7,739,539,779,464,638/93,220,000.12
  6. Step 6: Final answer
    x = 83,024,455.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.