Home / 102,309,799.50-153,540,281.97-48,457,111.50

Finding the Fourth Proportional to 102,309,799.50, 153,540,281.97 and 48,457,111.50

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Solution

The fourth proportional to 102,309,799.50, 153,540,281.97 and 48,457,111.50 is: 72,721,465.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,309,799.50 : 153,540,281.97 = 48,457,111.50 : x
  2. Step 2: Convert to fraction form
    102,309,799.50/153,540,281.97 = 48,457,111.50/x
  3. Step 3: Cross multiply
    102,309,799.50x = 153,540,281.97 × 48,457,111.50
  4. Step 4: Simplify right side
    102,309,799.50x = 7,440,118,563,161,730
  5. Step 5: Solve for x
    x = 7,440,118,563,161,730/102,309,799.50
  6. Step 6: Final answer
    x = 72,721,465.58

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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.