Home / 99,886,397.60-149,792,271.60-69,504,010.40

Finding the Fourth Proportional to 99,886,397.60, 149,792,271.60 and 69,504,010.40

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Solution

The fourth proportional to 99,886,397.60, 149,792,271.60 and 69,504,010.40 is: 104,230,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,886,397.60 : 149,792,271.60 = 69,504,010.40 : x
  2. Step 2: Convert to fraction form
    99,886,397.60/149,792,271.60 = 69,504,010.40/x
  3. Step 3: Cross multiply
    99,886,397.60x = 149,792,271.60 × 69,504,010.40
  4. Step 4: Simplify right side
    99,886,397.60x = 10,411,163,603,126,026
  5. Step 5: Solve for x
    x = 10,411,163,603,126,026/99,886,397.60
  6. Step 6: Final answer
    x = 104,230,043.86

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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.