Home / 90,211,862.67-124,492,813.71-48,958,802.43

Finding the Fourth Proportional to 90,211,862.67, 124,492,813.71 and 48,958,802.43

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Solution

The fourth proportional to 90,211,862.67, 124,492,813.71 and 48,958,802.43 is: 67,563,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,211,862.67 : 124,492,813.71 = 48,958,802.43 : x
  2. Step 2: Convert to fraction form
    90,211,862.67/124,492,813.71 = 48,958,802.43/x
  3. Step 3: Cross multiply
    90,211,862.67x = 124,492,813.71 × 48,958,802.43
  4. Step 4: Simplify right side
    90,211,862.67x = 6,095,019,070,382,685
  5. Step 5: Solve for x
    x = 6,095,019,070,382,685/90,211,862.67
  6. Step 6: Final answer
    x = 67,563,387.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.