Home / 99,573,341.80-149,360,012.70-98,935,612.60

Finding the Fourth Proportional to 99,573,341.80, 149,360,012.70 and 98,935,612.60

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Solution

The fourth proportional to 99,573,341.80, 149,360,012.70 and 98,935,612.60 is: 148,403,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,573,341.80 : 149,360,012.70 = 98,935,612.60 : x
  2. Step 2: Convert to fraction form
    99,573,341.80/149,360,012.70 = 98,935,612.60/x
  3. Step 3: Cross multiply
    99,573,341.80x = 149,360,012.70 × 98,935,612.60
  4. Step 4: Simplify right side
    99,573,341.80x = 14,777,024,354,418,278
  5. Step 5: Solve for x
    x = 14,777,024,354,418,278/99,573,341.80
  6. Step 6: Final answer
    x = 148,403,418.90

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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.