Home / 118,857,607.20-178,286,410.80-108,335,075.40

Finding the Fourth Proportional to 118,857,607.20, 178,286,410.80 and 108,335,075.40

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Solution

The fourth proportional to 118,857,607.20, 178,286,410.80 and 108,335,075.40 is: 162,502,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,857,607.20 : 178,286,410.80 = 108,335,075.40 : x
  2. Step 2: Convert to fraction form
    118,857,607.20/178,286,410.80 = 108,335,075.40/x
  3. Step 3: Cross multiply
    118,857,607.20x = 178,286,410.80 × 108,335,075.40
  4. Step 4: Simplify right side
    118,857,607.20x = 19,314,671,756,813,376
  5. Step 5: Solve for x
    x = 19,314,671,756,813,376/118,857,607.20
  6. Step 6: Final answer
    x = 162,502,613.10

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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.