Home / 139,953,910.42-193,232,024.85-90,513,946.90

Finding the Fourth Proportional to 139,953,910.42, 193,232,024.85 and 90,513,946.90

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Solution

The fourth proportional to 139,953,910.42, 193,232,024.85 and 90,513,946.90 is: 124,971,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,953,910.42 : 193,232,024.85 = 90,513,946.90 : x
  2. Step 2: Convert to fraction form
    139,953,910.42/193,232,024.85 = 90,513,946.90/x
  3. Step 3: Cross multiply
    139,953,910.42x = 193,232,024.85 × 90,513,946.90
  4. Step 4: Simplify right side
    139,953,910.42x = 17,490,193,236,652,382
  5. Step 5: Solve for x
    x = 17,490,193,236,652,382/139,953,910.42
  6. Step 6: Final answer
    x = 124,971,093.58

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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.