Home / 55,433,567.10-76,498,817.81-30,655,421.63

Finding the Fourth Proportional to 55,433,567.10, 76,498,817.81 and 30,655,421.63

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Solution

The fourth proportional to 55,433,567.10, 76,498,817.81 and 30,655,421.63 is: 42,304,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433,567.10 : 76,498,817.81 = 30,655,421.63 : x
  2. Step 2: Convert to fraction form
    55,433,567.10/76,498,817.81 = 30,655,421.63/x
  3. Step 3: Cross multiply
    55,433,567.10x = 76,498,817.81 × 30,655,421.63
  4. Step 4: Simplify right side
    55,433,567.10x = 2,345,103,513,626,332.50
  5. Step 5: Solve for x
    x = 2,345,103,513,626,332.50/55,433,567.10
  6. Step 6: Final answer
    x = 42,304,755.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.