Home / 115,050,328.40-172,575,492.60-84,817,240.40

Finding the Fourth Proportional to 115,050,328.40, 172,575,492.60 and 84,817,240.40

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Solution

The fourth proportional to 115,050,328.40, 172,575,492.60 and 84,817,240.40 is: 127,225,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,050,328.40 : 172,575,492.60 = 84,817,240.40 : x
  2. Step 2: Convert to fraction form
    115,050,328.40/172,575,492.60 = 84,817,240.40/x
  3. Step 3: Cross multiply
    115,050,328.40x = 172,575,492.60 × 84,817,240.40
  4. Step 4: Simplify right side
    115,050,328.40x = 14,637,377,043,002,622
  5. Step 5: Solve for x
    x = 14,637,377,043,002,622/115,050,328.40
  6. Step 6: Final answer
    x = 127,225,860.60

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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.