Home / 74,884,813.60-112,327,220.40-69,845,965.60

Finding the Fourth Proportional to 74,884,813.60, 112,327,220.40 and 69,845,965.60

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Solution

The fourth proportional to 74,884,813.60, 112,327,220.40 and 69,845,965.60 is: 104,768,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884,813.60 : 112,327,220.40 = 69,845,965.60 : x
  2. Step 2: Convert to fraction form
    74,884,813.60/112,327,220.40 = 69,845,965.60/x
  3. Step 3: Cross multiply
    74,884,813.60x = 112,327,220.40 × 69,845,965.60
  4. Step 4: Simplify right side
    74,884,813.60x = 7,845,603,172,002,018
  5. Step 5: Solve for x
    x = 7,845,603,172,002,018/74,884,813.60
  6. Step 6: Final answer
    x = 104,768,948.40

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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.