Home / 117,415,965.60-176,123,948.40-31,154,205.60

Finding the Fourth Proportional to 117,415,965.60, 176,123,948.40 and 31,154,205.60

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Solution

The fourth proportional to 117,415,965.60, 176,123,948.40 and 31,154,205.60 is: 46,731,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,415,965.60 : 176,123,948.40 = 31,154,205.60 : x
  2. Step 2: Convert to fraction form
    117,415,965.60/176,123,948.40 = 31,154,205.60/x
  3. Step 3: Cross multiply
    117,415,965.60x = 176,123,948.40 × 31,154,205.60
  4. Step 4: Simplify right side
    117,415,965.60x = 5,487,001,699,537,391
  5. Step 5: Solve for x
    x = 5,487,001,699,537,391/117,415,965.60
  6. Step 6: Final answer
    x = 46,731,308.40

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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.