Home / 86,370,627.84-129,555,941.75-28,862,899.00

Finding the Fourth Proportional to 86,370,627.84, 129,555,941.75 and 28,862,899.00

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Solution

The fourth proportional to 86,370,627.84, 129,555,941.75 and 28,862,899.00 is: 43,294,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,370,627.84 : 129,555,941.75 = 28,862,899.00 : x
  2. Step 2: Convert to fraction form
    86,370,627.84/129,555,941.75 = 28,862,899.00/x
  3. Step 3: Cross multiply
    86,370,627.84x = 129,555,941.75 × 28,862,899.00
  4. Step 4: Simplify right side
    86,370,627.84x = 3,739,360,062,111,415
  5. Step 5: Solve for x
    x = 3,739,360,062,111,415/86,370,627.84
  6. Step 6: Final answer
    x = 43,294,348.50

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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.