Home / 102,398,621.85-141,348,525.21-67,118,699.93

Finding the Fourth Proportional to 102,398,621.85, 141,348,525.21 and 67,118,699.93

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Solution

The fourth proportional to 102,398,621.85, 141,348,525.21 and 67,118,699.93 is: 92,648,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,398,621.85 : 141,348,525.21 = 67,118,699.93 : x
  2. Step 2: Convert to fraction form
    102,398,621.85/141,348,525.21 = 67,118,699.93/x
  3. Step 3: Cross multiply
    102,398,621.85x = 141,348,525.21 × 67,118,699.93
  4. Step 4: Simplify right side
    102,398,621.85x = 9,487,129,248,411,288
  5. Step 5: Solve for x
    x = 9,487,129,248,411,288/102,398,621.85
  6. Step 6: Final answer
    x = 92,648,993.48

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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.