Home / 129,009,166.80-193,248,329.40-65,219,701.20

Finding the Fourth Proportional to 129,009,166.80, 193,248,329.40 and 65,219,701.20

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Solution

The fourth proportional to 129,009,166.80, 193,248,329.40 and 65,219,701.20 is: 97,695,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,009,166.80 : 193,248,329.40 = 65,219,701.20 : x
  2. Step 2: Convert to fraction form
    129,009,166.80/193,248,329.40 = 65,219,701.20/x
  3. Step 3: Cross multiply
    129,009,166.80x = 193,248,329.40 × 65,219,701.20
  4. Step 4: Simplify right side
    129,009,166.80x = 12,603,598,300,867,176
  5. Step 5: Solve for x
    x = 12,603,598,300,867,176/129,009,166.80
  6. Step 6: Final answer
    x = 97,695,370.13

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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.