Home / 212,802,979.86-293,684,748.57-118,746,700.02

Finding the Fourth Proportional to 212,802,979.86, 293,684,748.57 and 118,746,700.02

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Solution

The fourth proportional to 212,802,979.86, 293,684,748.57 and 118,746,700.02 is: 163,879,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,802,979.86 : 293,684,748.57 = 118,746,700.02 : x
  2. Step 2: Convert to fraction form
    212,802,979.86/293,684,748.57 = 118,746,700.02/x
  3. Step 3: Cross multiply
    212,802,979.86x = 293,684,748.57 × 118,746,700.02
  4. Step 4: Simplify right side
    212,802,979.86x = 34,874,094,738,890,912
  5. Step 5: Solve for x
    x = 34,874,094,738,890,912/212,802,979.86
  6. Step 6: Final answer
    x = 163,879,729.32

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