Home / 74,815,817.16-103,317,129.18-70,739,885.19

Finding the Fourth Proportional to 74,815,817.16, 103,317,129.18 and 70,739,885.19

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Solution

The fourth proportional to 74,815,817.16, 103,317,129.18 and 70,739,885.19 is: 97,688,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815,817.16 : 103,317,129.18 = 70,739,885.19 : x
  2. Step 2: Convert to fraction form
    74,815,817.16/103,317,129.18 = 70,739,885.19/x
  3. Step 3: Cross multiply
    74,815,817.16x = 103,317,129.18 × 70,739,885.19
  4. Step 4: Simplify right side
    74,815,817.16x = 7,308,641,856,353,599
  5. Step 5: Solve for x
    x = 7,308,641,856,353,599/74,815,817.16
  6. Step 6: Final answer
    x = 97,688,458.59

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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.