Home / 253,155,949.74-379,748,620.85-97,710,621.66

Finding the Fourth Proportional to 253,155,949.74, 379,748,620.85 and 97,710,621.66

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Solution

The fourth proportional to 253,155,949.74, 379,748,620.85 and 97,710,621.66 is: 146,571,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,155,949.74 : 379,748,620.85 = 97,710,621.66 : x
  2. Step 2: Convert to fraction form
    253,155,949.74/379,748,620.85 = 97,710,621.66/x
  3. Step 3: Cross multiply
    253,155,949.74x = 379,748,620.85 × 97,710,621.66
  4. Step 4: Simplify right side
    253,155,949.74x = 37,105,473,817,292,584
  5. Step 5: Solve for x
    x = 37,105,473,817,292,584/253,155,949.74
  6. Step 6: Final answer
    x = 146,571,604.80

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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.