Home / 72,070,363.35-99,455,872.18-39,030,344.01

Finding the Fourth Proportional to 72,070,363.35, 99,455,872.18 and 39,030,344.01

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Solution

The fourth proportional to 72,070,363.35, 99,455,872.18 and 39,030,344.01 is: 53,861,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070,363.35 : 99,455,872.18 = 39,030,344.01 : x
  2. Step 2: Convert to fraction form
    72,070,363.35/99,455,872.18 = 39,030,344.01/x
  3. Step 3: Cross multiply
    72,070,363.35x = 99,455,872.18 × 39,030,344.01
  4. Step 4: Simplify right side
    72,070,363.35x = 3,881,796,904,999,988.50
  5. Step 5: Solve for x
    x = 3,881,796,904,999,988.50/72,070,363.35
  6. Step 6: Final answer
    x = 53,861,209.03

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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.