Home / 104,976,140.80-157,464,211.20-97,323,390.40

Finding the Fourth Proportional to 104,976,140.80, 157,464,211.20 and 97,323,390.40

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Solution

The fourth proportional to 104,976,140.80, 157,464,211.20 and 97,323,390.40 is: 145,985,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,140.80 : 157,464,211.20 = 97,323,390.40 : x
  2. Step 2: Convert to fraction form
    104,976,140.80/157,464,211.20 = 97,323,390.40/x
  3. Step 3: Cross multiply
    104,976,140.80x = 157,464,211.20 × 97,323,390.40
  4. Step 4: Simplify right side
    104,976,140.80x = 15,324,950,900,645,652
  5. Step 5: Solve for x
    x = 15,324,950,900,645,652/104,976,140.80
  6. Step 6: Final answer
    x = 145,985,085.60

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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.