Home / 75,002,728.74-113,066,254.02-70,003,031.70

Finding the Fourth Proportional to 75,002,728.74, 113,066,254.02 and 70,003,031.70

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Solution

The fourth proportional to 75,002,728.74, 113,066,254.02 and 70,003,031.70 is: 105,529,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002,728.74 : 113,066,254.02 = 70,003,031.70 : x
  2. Step 2: Convert to fraction form
    75,002,728.74/113,066,254.02 = 70,003,031.70/x
  3. Step 3: Cross multiply
    75,002,728.74x = 113,066,254.02 × 70,003,031.70
  4. Step 4: Simplify right side
    75,002,728.74x = 7,914,980,564,362,312
  5. Step 5: Solve for x
    x = 7,914,980,564,362,312/75,002,728.74
  6. Step 6: Final answer
    x = 105,529,234.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.