Home / 98,415,030.30-147,622,545.45-66,166,403.10

Finding the Fourth Proportional to 98,415,030.30, 147,622,545.45 and 66,166,403.10

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Solution

The fourth proportional to 98,415,030.30, 147,622,545.45 and 66,166,403.10 is: 99,249,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,030.30 : 147,622,545.45 = 66,166,403.10 : x
  2. Step 2: Convert to fraction form
    98,415,030.30/147,622,545.45 = 66,166,403.10/x
  3. Step 3: Cross multiply
    98,415,030.30x = 147,622,545.45 × 66,166,403.10
  4. Step 4: Simplify right side
    98,415,030.30x = 9,767,652,848,892,770
  5. Step 5: Solve for x
    x = 9,767,652,848,892,770/98,415,030.30
  6. Step 6: Final answer
    x = 99,249,604.65

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Similar ratio
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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.