Home / 34,768,090.80-52,152,136.20-21,312,500.40

Finding the Fourth Proportional to 34,768,090.80, 52,152,136.20 and 21,312,500.40

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Solution

The fourth proportional to 34,768,090.80, 52,152,136.20 and 21,312,500.40 is: 31,968,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,768,090.80 : 52,152,136.20 = 21,312,500.40 : x
  2. Step 2: Convert to fraction form
    34,768,090.80/52,152,136.20 = 21,312,500.40/x
  3. Step 3: Cross multiply
    34,768,090.80x = 52,152,136.20 × 21,312,500.40
  4. Step 4: Simplify right side
    34,768,090.80x = 1,111,492,423,623,354.50
  5. Step 5: Solve for x
    x = 1,111,492,423,623,354.50/34,768,090.80
  6. Step 6: Final answer
    x = 31,968,750.60

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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.