Home / 43,107,320.40-64,660,980.60-38,430,639.60

Finding the Fourth Proportional to 43,107,320.40, 64,660,980.60 and 38,430,639.60

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Solution

The fourth proportional to 43,107,320.40, 64,660,980.60 and 38,430,639.60 is: 57,645,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107,320.40 : 64,660,980.60 = 38,430,639.60 : x
  2. Step 2: Convert to fraction form
    43,107,320.40/64,660,980.60 = 38,430,639.60/x
  3. Step 3: Cross multiply
    43,107,320.40x = 64,660,980.60 × 38,430,639.60
  4. Step 4: Simplify right side
    43,107,320.40x = 2,484,962,841,621,192
  5. Step 5: Solve for x
    x = 2,484,962,841,621,192/43,107,320.40
  6. Step 6: Final answer
    x = 57,645,959.40

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1.5x scale

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.