Home / 118,675,248.42-178,032,971.16-40,931,043.42

Finding the Fourth Proportional to 118,675,248.42, 178,032,971.16 and 40,931,043.42

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Solution

The fourth proportional to 118,675,248.42, 178,032,971.16 and 40,931,043.42 is: 61,403,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,248.42 : 178,032,971.16 = 40,931,043.42 : x
  2. Step 2: Convert to fraction form
    118,675,248.42/178,032,971.16 = 40,931,043.42/x
  3. Step 3: Cross multiply
    118,675,248.42x = 178,032,971.16 × 40,931,043.42
  4. Step 4: Simplify right side
    118,675,248.42x = 7,287,075,272,741,568
  5. Step 5: Solve for x
    x = 7,287,075,272,741,568/118,675,248.42
  6. Step 6: Final answer
    x = 61,403,497.10

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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.