Home / 92,790,510.78-128,050,989.12-50,977,283.16

Finding the Fourth Proportional to 92,790,510.78, 128,050,989.12 and 50,977,283.16

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Solution

The fourth proportional to 92,790,510.78, 128,050,989.12 and 50,977,283.16 is: 70,348,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,790,510.78 : 128,050,989.12 = 50,977,283.16 : x
  2. Step 2: Convert to fraction form
    92,790,510.78/128,050,989.12 = 50,977,283.16/x
  3. Step 3: Cross multiply
    92,790,510.78x = 128,050,989.12 × 50,977,283.16
  4. Step 4: Simplify right side
    92,790,510.78x = 6,527,691,531,288,319
  5. Step 5: Solve for x
    x = 6,527,691,531,288,319/92,790,510.78
  6. Step 6: Final answer
    x = 70,348,697.04

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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.