Home / 81,688,949.06-112,734,746.45-45,936,642.02

Finding the Fourth Proportional to 81,688,949.06, 112,734,746.45 and 45,936,642.02

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Solution

The fourth proportional to 81,688,949.06, 112,734,746.45 and 45,936,642.02 is: 63,394,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,688,949.06 : 112,734,746.45 = 45,936,642.02 : x
  2. Step 2: Convert to fraction form
    81,688,949.06/112,734,746.45 = 45,936,642.02/x
  3. Step 3: Cross multiply
    81,688,949.06x = 112,734,746.45 × 45,936,642.02
  4. Step 4: Simplify right side
    81,688,949.06x = 5,178,655,690,440,284
  5. Step 5: Solve for x
    x = 5,178,655,690,440,284/81,688,949.06
  6. Step 6: Final answer
    x = 63,394,813.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.