Home / 52,495,185.12-72,443,994.60-30,473,786.40

Finding the Fourth Proportional to 52,495,185.12, 72,443,994.60 and 30,473,786.40

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Solution

The fourth proportional to 52,495,185.12, 72,443,994.60 and 30,473,786.40 is: 42,054,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495,185.12 : 72,443,994.60 = 30,473,786.40 : x
  2. Step 2: Convert to fraction form
    52,495,185.12/72,443,994.60 = 30,473,786.40/x
  3. Step 3: Cross multiply
    52,495,185.12x = 72,443,994.60 × 30,473,786.40
  4. Step 4: Simplify right side
    52,495,185.12x = 2,207,642,817,403,153.25
  5. Step 5: Solve for x
    x = 2,207,642,817,403,153.25/52,495,185.12
  6. Step 6: Final answer
    x = 42,054,196.25

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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.