Home / 55,808,556.40-83,712,834.60-40,692,012.40

Finding the Fourth Proportional to 55,808,556.40, 83,712,834.60 and 40,692,012.40

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Solution

The fourth proportional to 55,808,556.40, 83,712,834.60 and 40,692,012.40 is: 61,038,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,808,556.40 : 83,712,834.60 = 40,692,012.40 : x
  2. Step 2: Convert to fraction form
    55,808,556.40/83,712,834.60 = 40,692,012.40/x
  3. Step 3: Cross multiply
    55,808,556.40x = 83,712,834.60 × 40,692,012.40
  4. Step 4: Simplify right side
    55,808,556.40x = 3,406,443,703,582,348.50
  5. Step 5: Solve for x
    x = 3,406,443,703,582,348.50/55,808,556.40
  6. Step 6: Final answer
    x = 61,038,018.60

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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.