Home / 70,102,710.85-105,060,070.46-54,559,307.16

Finding the Fourth Proportional to 70,102,710.85, 105,060,070.46 and 54,559,307.16

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Solution

The fourth proportional to 70,102,710.85, 105,060,070.46 and 54,559,307.16 is: 81,765,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,710.85 : 105,060,070.46 = 54,559,307.16 : x
  2. Step 2: Convert to fraction form
    70,102,710.85/105,060,070.46 = 54,559,307.16/x
  3. Step 3: Cross multiply
    70,102,710.85x = 105,060,070.46 × 54,559,307.16
  4. Step 4: Simplify right side
    70,102,710.85x = 5,732,004,654,614,781
  5. Step 5: Solve for x
    x = 5,732,004,654,614,781/70,102,710.85
  6. Step 6: Final answer
    x = 81,765,805.99

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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.