Home / 55,389,628.50-83,010,175.88-43,108,421.34

Finding the Fourth Proportional to 55,389,628.50, 83,010,175.88 and 43,108,421.34

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Solution

The fourth proportional to 55,389,628.50, 83,010,175.88 and 43,108,421.34 is: 64,604,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389,628.50 : 83,010,175.88 = 43,108,421.34 : x
  2. Step 2: Convert to fraction form
    55,389,628.50/83,010,175.88 = 43,108,421.34/x
  3. Step 3: Cross multiply
    55,389,628.50x = 83,010,175.88 × 43,108,421.34
  4. Step 4: Simplify right side
    55,389,628.50x = 3,578,437,637,342,545.50
  5. Step 5: Solve for x
    x = 3,578,437,637,342,545.50/55,389,628.50
  6. Step 6: Final answer
    x = 64,604,831.88

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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.