Home / 73,208,448,043.40-109,812,672,065.10-20,856,832,862.60

Finding the Fourth Proportional to 73,208,448,043.40, 109,812,672,065.10 and 20,856,832,862.60

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Solution

The fourth proportional to 73,208,448,043.40, 109,812,672,065.10 and 20,856,832,862.60 is: 31,285,249,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,208,448,043.40 : 109,812,672,065.10 = 20,856,832,862.60 : x
  2. Step 2: Convert to fraction form
    73,208,448,043.40/109,812,672,065.10 = 20,856,832,862.60/x
  3. Step 3: Cross multiply
    73,208,448,043.40x = 109,812,672,065.10 × 20,856,832,862.60
  4. Step 4: Simplify right side
    73,208,448,043.40x = 2,290,344,547,457,294,663,680
  5. Step 5: Solve for x
    x = 2,290,344,547,457,294,663,680/73,208,448,043.40
  6. Step 6: Final answer
    x = 31,285,249,293.90

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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.