Home / 86,508,056.40-120,884,530.80-86,508,056.40

Finding the Fourth Proportional to 86,508,056.40, 120,884,530.80 and 86,508,056.40

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Solution

The fourth proportional to 86,508,056.40, 120,884,530.80 and 86,508,056.40 is: 120,884,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508,056.40 : 120,884,530.80 = 86,508,056.40 : x
  2. Step 2: Convert to fraction form
    86,508,056.40/120,884,530.80 = 86,508,056.40/x
  3. Step 3: Cross multiply
    86,508,056.40x = 120,884,530.80 × 86,508,056.40
  4. Step 4: Simplify right side
    86,508,056.40x = 10,457,485,808,333,938
  5. Step 5: Solve for x
    x = 10,457,485,808,333,938/86,508,056.40
  6. Step 6: Final answer
    x = 120,884,530.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.