Home / 65,769,390.51-90,761,953.10-36,402,762.75

Finding the Fourth Proportional to 65,769,390.51, 90,761,953.10 and 36,402,762.75

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Solution

The fourth proportional to 65,769,390.51, 90,761,953.10 and 36,402,762.75 is: 50,235,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769,390.51 : 90,761,953.10 = 36,402,762.75 : x
  2. Step 2: Convert to fraction form
    65,769,390.51/90,761,953.10 = 36,402,762.75/x
  3. Step 3: Cross multiply
    65,769,390.51x = 90,761,953.10 × 36,402,762.75
  4. Step 4: Simplify right side
    65,769,390.51x = 3,303,985,845,425,927
  5. Step 5: Solve for x
    x = 3,303,985,845,425,927/65,769,390.51
  6. Step 6: Final answer
    x = 50,235,920.08

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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.