Home / 83,402,155.44-115,095,910.77-47,643,331.98

Finding the Fourth Proportional to 83,402,155.44, 115,095,910.77 and 47,643,331.98

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Solution

The fourth proportional to 83,402,155.44, 115,095,910.77 and 47,643,331.98 is: 65,748,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402,155.44 : 115,095,910.77 = 47,643,331.98 : x
  2. Step 2: Convert to fraction form
    83,402,155.44/115,095,910.77 = 47,643,331.98/x
  3. Step 3: Cross multiply
    83,402,155.44x = 115,095,910.77 × 47,643,331.98
  4. Step 4: Simplify right side
    83,402,155.44x = 5,483,552,686,355,567
  5. Step 5: Solve for x
    x = 5,483,552,686,355,567/83,402,155.44
  6. Step 6: Final answer
    x = 65,748,332.97

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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.