Home / 410,371,465.96-615,558,423.66-99,477,849.16

Finding the Fourth Proportional to 410,371,465.96, 615,558,423.66 and 99,477,849.16

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Solution

The fourth proportional to 410,371,465.96, 615,558,423.66 and 99,477,849.16 is: 149,217,070.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,371,465.96 : 615,558,423.66 = 99,477,849.16 : x
  2. Step 2: Convert to fraction form
    410,371,465.96/615,558,423.66 = 99,477,849.16/x
  3. Step 3: Cross multiply
    410,371,465.96x = 615,558,423.66 × 99,477,849.16
  4. Step 4: Simplify right side
    410,371,465.96x = 61,234,428,018,016,848
  5. Step 5: Solve for x
    x = 61,234,428,018,016,848/410,371,465.96
  6. Step 6: Final answer
    x = 149,217,070.62

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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.