Home / 42,075,194.12-63,151,587.70-21,340,184.76

Finding the Fourth Proportional to 42,075,194.12, 63,151,587.70 and 21,340,184.76

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Solution

The fourth proportional to 42,075,194.12, 63,151,587.70 and 21,340,184.76 is: 32,029,954.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,075,194.12 : 63,151,587.70 = 21,340,184.76 : x
  2. Step 2: Convert to fraction form
    42,075,194.12/63,151,587.70 = 21,340,184.76/x
  3. Step 3: Cross multiply
    42,075,194.12x = 63,151,587.70 × 21,340,184.76
  4. Step 4: Simplify right side
    42,075,194.12x = 1,347,666,549,405,343.50
  5. Step 5: Solve for x
    x = 1,347,666,549,405,343.50/42,075,194.12
  6. Step 6: Final answer
    x = 32,029,954.41

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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.