Home / 410,254,143.60-615,381,215.40-123,039,807.60

Finding the Fourth Proportional to 410,254,143.60, 615,381,215.40 and 123,039,807.60

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Solution

The fourth proportional to 410,254,143.60, 615,381,215.40 and 123,039,807.60 is: 184,559,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,254,143.60 : 615,381,215.40 = 123,039,807.60 : x
  2. Step 2: Convert to fraction form
    410,254,143.60/615,381,215.40 = 123,039,807.60/x
  3. Step 3: Cross multiply
    410,254,143.60x = 615,381,215.40 × 123,039,807.60
  4. Step 4: Simplify right side
    410,254,143.60x = 75,716,386,343,470,144
  5. Step 5: Solve for x
    x = 75,716,386,343,470,144/410,254,143.60
  6. Step 6: Final answer
    x = 184,559,711.40

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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.