Home / 191,941,702.94-287,920,748.13-75,382,319.85

Finding the Fourth Proportional to 191,941,702.94, 287,920,748.13 and 75,382,319.85

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Solution

The fourth proportional to 191,941,702.94, 287,920,748.13 and 75,382,319.85 is: 113,076,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,941,702.94 : 287,920,748.13 = 75,382,319.85 : x
  2. Step 2: Convert to fraction form
    191,941,702.94/287,920,748.13 = 75,382,319.85/x
  3. Step 3: Cross multiply
    191,941,702.94x = 287,920,748.13 × 75,382,319.85
  4. Step 4: Simplify right side
    191,941,702.94x = 21,704,133,926,986,948
  5. Step 5: Solve for x
    x = 21,704,133,926,986,948/191,941,702.94
  6. Step 6: Final answer
    x = 113,076,697.74

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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.