Home / 99,573,342.80-149,360,014.20-98,935,613.60

Finding the Fourth Proportional to 99,573,342.80, 149,360,014.20 and 98,935,613.60

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Solution

The fourth proportional to 99,573,342.80, 149,360,014.20 and 98,935,613.60 is: 148,403,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,573,342.80 : 149,360,014.20 = 98,935,613.60 : x
  2. Step 2: Convert to fraction form
    99,573,342.80/149,360,014.20 = 98,935,613.60/x
  3. Step 3: Cross multiply
    99,573,342.80x = 149,360,014.20 × 98,935,613.60
  4. Step 4: Simplify right side
    99,573,342.80x = 14,777,024,652,181,712
  5. Step 5: Solve for x
    x = 14,777,024,652,181,712/99,573,342.80
  6. Step 6: Final answer
    x = 148,403,420.40

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1.5x scale

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.