Home / 112,581,733.55-155,282,700.51-103,319,214.39

Finding the Fourth Proportional to 112,581,733.55, 155,282,700.51 and 103,319,214.39

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Solution

The fourth proportional to 112,581,733.55, 155,282,700.51 and 103,319,214.39 is: 142,507,013.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581,733.55 : 155,282,700.51 = 103,319,214.39 : x
  2. Step 2: Convert to fraction form
    112,581,733.55/155,282,700.51 = 103,319,214.39/x
  3. Step 3: Cross multiply
    112,581,733.55x = 155,282,700.51 × 103,319,214.39
  4. Step 4: Simplify right side
    112,581,733.55x = 16,043,686,625,050,852
  5. Step 5: Solve for x
    x = 16,043,686,625,050,852/112,581,733.55
  6. Step 6: Final answer
    x = 142,507,013.53

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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.