Home / 66,384,114.30-99,657,041.85-42,122,994.30

Finding the Fourth Proportional to 66,384,114.30, 99,657,041.85 and 42,122,994.30

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Solution

The fourth proportional to 66,384,114.30, 99,657,041.85 and 42,122,994.30 is: 63,235,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384,114.30 : 99,657,041.85 = 42,122,994.30 : x
  2. Step 2: Convert to fraction form
    66,384,114.30/99,657,041.85 = 42,122,994.30/x
  3. Step 3: Cross multiply
    66,384,114.30x = 99,657,041.85 × 42,122,994.30
  4. Step 4: Simplify right side
    66,384,114.30x = 4,197,853,005,802,411
  5. Step 5: Solve for x
    x = 4,197,853,005,802,411/66,384,114.30
  6. Step 6: Final answer
    x = 63,235,806.49

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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.