Home / 75,097,314.32-112,693,356.48-31,966,447.28

Finding the Fourth Proportional to 75,097,314.32, 112,693,356.48 and 31,966,447.28

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Solution

The fourth proportional to 75,097,314.32, 112,693,356.48 and 31,966,447.28 is: 47,969,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097,314.32 : 112,693,356.48 = 31,966,447.28 : x
  2. Step 2: Convert to fraction form
    75,097,314.32/112,693,356.48 = 31,966,447.28/x
  3. Step 3: Cross multiply
    75,097,314.32x = 112,693,356.48 × 31,966,447.28
  4. Step 4: Simplify right side
    75,097,314.32x = 3,602,406,238,724,166.50
  5. Step 5: Solve for x
    x = 3,602,406,238,724,166.50/75,097,314.32
  6. Step 6: Final answer
    x = 47,969,841.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.