Home / 78,862,118.40-118,060,934.40-58,756,492.80

Finding the Fourth Proportional to 78,862,118.40, 118,060,934.40 and 58,756,492.80

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Solution

The fourth proportional to 78,862,118.40, 118,060,934.40 and 58,756,492.80 is: 87,961,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,862,118.40 : 118,060,934.40 = 58,756,492.80 : x
  2. Step 2: Convert to fraction form
    78,862,118.40/118,060,934.40 = 58,756,492.80/x
  3. Step 3: Cross multiply
    78,862,118.40x = 118,060,934.40 × 58,756,492.80
  4. Step 4: Simplify right side
    78,862,118.40x = 6,936,846,442,034,872
  5. Step 5: Solve for x
    x = 6,936,846,442,034,872/78,862,118.40
  6. Step 6: Final answer
    x = 87,961,705.60

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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.