Home / 99,931,970.60-149,674,007.10-82,016,066.60

Finding the Fourth Proportional to 99,931,970.60, 149,674,007.10 and 82,016,066.60

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Solution

The fourth proportional to 99,931,970.60, 149,674,007.10 and 82,016,066.60 is: 122,840,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,931,970.60 : 149,674,007.10 = 82,016,066.60 : x
  2. Step 2: Convert to fraction form
    99,931,970.60/149,674,007.10 = 82,016,066.60/x
  3. Step 3: Cross multiply
    99,931,970.60x = 149,674,007.10 × 82,016,066.60
  4. Step 4: Simplify right side
    99,931,970.60x = 12,275,673,334,602,472
  5. Step 5: Solve for x
    x = 12,275,673,334,602,472/99,931,970.60
  6. Step 6: Final answer
    x = 122,840,300.87

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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.