Home / 54,386,310.60-81,579,465.90-51,740,915.40

Finding the Fourth Proportional to 54,386,310.60, 81,579,465.90 and 51,740,915.40

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Solution

The fourth proportional to 54,386,310.60, 81,579,465.90 and 51,740,915.40 is: 77,611,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,386,310.60 : 81,579,465.90 = 51,740,915.40 : x
  2. Step 2: Convert to fraction form
    54,386,310.60/81,579,465.90 = 51,740,915.40/x
  3. Step 3: Cross multiply
    54,386,310.60x = 81,579,465.90 × 51,740,915.40
  4. Step 4: Simplify right side
    54,386,310.60x = 4,220,996,243,509,085
  5. Step 5: Solve for x
    x = 4,220,996,243,509,085/54,386,310.60
  6. Step 6: Final answer
    x = 77,611,373.10

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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.