Home / 103,018,686.80-154,528,030.20-42,414,270.80

Finding the Fourth Proportional to 103,018,686.80, 154,528,030.20 and 42,414,270.80

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Solution

The fourth proportional to 103,018,686.80, 154,528,030.20 and 42,414,270.80 is: 63,621,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,018,686.80 : 154,528,030.20 = 42,414,270.80 : x
  2. Step 2: Convert to fraction form
    103,018,686.80/154,528,030.20 = 42,414,270.80/x
  3. Step 3: Cross multiply
    103,018,686.80x = 154,528,030.20 × 42,414,270.80
  4. Step 4: Simplify right side
    103,018,686.80x = 6,554,193,719,093,377
  5. Step 5: Solve for x
    x = 6,554,193,719,093,377/103,018,686.80
  6. Step 6: Final answer
    x = 63,621,406.20

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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.