Home / 82,398,366.55-124,090,802.01-75,043,430.70

Finding the Fourth Proportional to 82,398,366.55, 124,090,802.01 and 75,043,430.70

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Solution

The fourth proportional to 82,398,366.55, 124,090,802.01 and 75,043,430.70 is: 113,014,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,398,366.55 : 124,090,802.01 = 75,043,430.70 : x
  2. Step 2: Convert to fraction form
    82,398,366.55/124,090,802.01 = 75,043,430.70/x
  3. Step 3: Cross multiply
    82,398,366.55x = 124,090,802.01 × 75,043,430.70
  4. Step 4: Simplify right side
    82,398,366.55x = 9,312,199,500,769,638
  5. Step 5: Solve for x
    x = 9,312,199,500,769,638/82,398,366.55
  6. Step 6: Final answer
    x = 113,014,370.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.