Home / 86,508,047.40-120,884,518.20-86,508,047.40

Finding the Fourth Proportional to 86,508,047.40, 120,884,518.20 and 86,508,047.40

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Solution

The fourth proportional to 86,508,047.40, 120,884,518.20 and 86,508,047.40 is: 120,884,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,508,047.40 : 120,884,518.20 = 86,508,047.40 : x
  2. Step 2: Convert to fraction form
    86,508,047.40/120,884,518.20 = 86,508,047.40/x
  3. Step 3: Cross multiply
    86,508,047.40x = 120,884,518.20 × 86,508,047.40
  4. Step 4: Simplify right side
    86,508,047.40x = 10,457,483,630,371,764
  5. Step 5: Solve for x
    x = 10,457,483,630,371,764/86,508,047.40
  6. Step 6: Final answer
    x = 120,884,518.20

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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.