Home / 121,004,156.40-181,506,234.60-99,746,516.40

Finding the Fourth Proportional to 121,004,156.40, 181,506,234.60 and 99,746,516.40

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Solution

The fourth proportional to 121,004,156.40, 181,506,234.60 and 99,746,516.40 is: 149,619,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,004,156.40 : 181,506,234.60 = 99,746,516.40 : x
  2. Step 2: Convert to fraction form
    121,004,156.40/181,506,234.60 = 99,746,516.40/x
  3. Step 3: Cross multiply
    121,004,156.40x = 181,506,234.60 × 99,746,516.40
  4. Step 4: Simplify right side
    121,004,156.40x = 18,104,614,606,231,148
  5. Step 5: Solve for x
    x = 18,104,614,606,231,148/121,004,156.40
  6. Step 6: Final answer
    x = 149,619,774.60

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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.