Home / 118,675,254.40-178,032,980.12-40,931,049.40

Finding the Fourth Proportional to 118,675,254.40, 178,032,980.12 and 40,931,049.40

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Solution

The fourth proportional to 118,675,254.40, 178,032,980.12 and 40,931,049.40 is: 61,403,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,254.40 : 178,032,980.12 = 40,931,049.40 : x
  2. Step 2: Convert to fraction form
    118,675,254.40/178,032,980.12 = 40,931,049.40/x
  3. Step 3: Cross multiply
    118,675,254.40x = 178,032,980.12 × 40,931,049.40
  4. Step 4: Simplify right side
    118,675,254.40x = 7,287,076,704,120,938
  5. Step 5: Solve for x
    x = 7,287,076,704,120,938/118,675,254.40
  6. Step 6: Final answer
    x = 61,403,506.07

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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.