Home / 131,048,767.02-180,847,086.27-72,311,387.82

Finding the Fourth Proportional to 131,048,767.02, 180,847,086.27 and 72,311,387.82

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Solution

The fourth proportional to 131,048,767.02, 180,847,086.27 and 72,311,387.82 is: 99,789,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,048,767.02 : 180,847,086.27 = 72,311,387.82 : x
  2. Step 2: Convert to fraction form
    131,048,767.02/180,847,086.27 = 72,311,387.82/x
  3. Step 3: Cross multiply
    131,048,767.02x = 180,847,086.27 × 72,311,387.82
  4. Step 4: Simplify right side
    131,048,767.02x = 13,077,303,791,386,966
  5. Step 5: Solve for x
    x = 13,077,303,791,386,966/131,048,767.02
  6. Step 6: Final answer
    x = 99,789,598.09

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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.