Home / 112,008,655.40-168,012,983.10-89,333,839.40

Finding the Fourth Proportional to 112,008,655.40, 168,012,983.10 and 89,333,839.40

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Solution

The fourth proportional to 112,008,655.40, 168,012,983.10 and 89,333,839.40 is: 134,000,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008,655.40 : 168,012,983.10 = 89,333,839.40 : x
  2. Step 2: Convert to fraction form
    112,008,655.40/168,012,983.10 = 89,333,839.40/x
  3. Step 3: Cross multiply
    112,008,655.40x = 168,012,983.10 × 89,333,839.40
  4. Step 4: Simplify right side
    112,008,655.40x = 15,009,244,849,370,314
  5. Step 5: Solve for x
    x = 15,009,244,849,370,314/112,008,655.40
  6. Step 6: Final answer
    x = 134,000,759.10

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1.5x scale

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.