Home / 101,143,262.79-139,577,702.84-54,733,516.70

Finding the Fourth Proportional to 101,143,262.79, 139,577,702.84 and 54,733,516.70

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Solution

The fourth proportional to 101,143,262.79, 139,577,702.84 and 54,733,516.70 is: 75,532,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,262.79 : 139,577,702.84 = 54,733,516.70 : x
  2. Step 2: Convert to fraction form
    101,143,262.79/139,577,702.84 = 54,733,516.70/x
  3. Step 3: Cross multiply
    101,143,262.79x = 139,577,702.84 × 54,733,516.70
  4. Step 4: Simplify right side
    101,143,262.79x = 7,639,578,528,369,222
  5. Step 5: Solve for x
    x = 7,639,578,528,369,222/101,143,262.79
  6. Step 6: Final answer
    x = 75,532,253.14

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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.