Home / 102,539,564.20-153,880,205.10-73,810,257.40

Finding the Fourth Proportional to 102,539,564.20, 153,880,205.10 and 73,810,257.40

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Solution

The fourth proportional to 102,539,564.20, 153,880,205.10 and 73,810,257.40 is: 110,766,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539,564.20 : 153,880,205.10 = 73,810,257.40 : x
  2. Step 2: Convert to fraction form
    102,539,564.20/153,880,205.10 = 73,810,257.40/x
  3. Step 3: Cross multiply
    102,539,564.20x = 153,880,205.10 × 73,810,257.40
  4. Step 4: Simplify right side
    102,539,564.20x = 11,357,937,547,195,794
  5. Step 5: Solve for x
    x = 11,357,937,547,195,794/102,539,564.20
  6. Step 6: Final answer
    x = 110,766,391.84

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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.