Home / 105,721,716.60-158,582,574.90-98,547,263.10

Finding the Fourth Proportional to 105,721,716.60, 158,582,574.90 and 98,547,263.10

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Solution

The fourth proportional to 105,721,716.60, 158,582,574.90 and 98,547,263.10 is: 147,820,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,721,716.60 : 158,582,574.90 = 98,547,263.10 : x
  2. Step 2: Convert to fraction form
    105,721,716.60/158,582,574.90 = 98,547,263.10/x
  3. Step 3: Cross multiply
    105,721,716.60x = 158,582,574.90 × 98,547,263.10
  4. Step 4: Simplify right side
    105,721,716.60x = 15,627,878,731,745,756
  5. Step 5: Solve for x
    x = 15,627,878,731,745,756/105,721,716.60
  6. Step 6: Final answer
    x = 147,820,894.65

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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.