Home / 112,581,774.09-155,282,756.45-103,319,254.89

Finding the Fourth Proportional to 112,581,774.09, 155,282,756.45 and 103,319,254.89

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Solution

The fourth proportional to 112,581,774.09, 155,282,756.45 and 103,319,254.89 is: 142,507,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581,774.09 : 155,282,756.45 = 103,319,254.89 : x
  2. Step 2: Convert to fraction form
    112,581,774.09/155,282,756.45 = 103,319,254.89/x
  3. Step 3: Cross multiply
    112,581,774.09x = 155,282,756.45 × 103,319,254.89
  4. Step 4: Simplify right side
    112,581,774.09x = 16,043,698,693,162,744
  5. Step 5: Solve for x
    x = 16,043,698,693,162,744/112,581,774.09
  6. Step 6: Final answer
    x = 142,507,069.40

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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.