Home / 180,346,686.40-248,878,909.63-97,840,471.15

Finding the Fourth Proportional to 180,346,686.40, 248,878,909.63 and 97,840,471.15

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Solution

The fourth proportional to 180,346,686.40, 248,878,909.63 and 97,840,471.15 is: 135,020,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,346,686.40 : 248,878,909.63 = 97,840,471.15 : x
  2. Step 2: Convert to fraction form
    180,346,686.40/248,878,909.63 = 97,840,471.15/x
  3. Step 3: Cross multiply
    180,346,686.40x = 248,878,909.63 × 97,840,471.15
  4. Step 4: Simplify right side
    180,346,686.40x = 24,350,429,777,931,852
  5. Step 5: Solve for x
    x = 24,350,429,777,931,852/180,346,686.40
  6. Step 6: Final answer
    x = 135,020,111.90

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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.