Home / 66,430,468.80-99,645,703.20-34,145,428.05

Finding the Fourth Proportional to 66,430,468.80, 99,645,703.20 and 34,145,428.05

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Solution

The fourth proportional to 66,430,468.80, 99,645,703.20 and 34,145,428.05 is: 51,218,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,468.80 : 99,645,703.20 = 34,145,428.05 : x
  2. Step 2: Convert to fraction form
    66,430,468.80/99,645,703.20 = 34,145,428.05/x
  3. Step 3: Cross multiply
    66,430,468.80x = 99,645,703.20 × 34,145,428.05
  4. Step 4: Simplify right side
    66,430,468.80x = 3,402,445,189,107,254.50
  5. Step 5: Solve for x
    x = 3,402,445,189,107,254.50/66,430,468.80
  6. Step 6: Final answer
    x = 51,218,142.08

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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.