Home / 238,925,869.98-358,463,214.81-85,573,255.02

Finding the Fourth Proportional to 238,925,869.98, 358,463,214.81 and 85,573,255.02

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Solution

The fourth proportional to 238,925,869.98, 358,463,214.81 and 85,573,255.02 is: 128,386,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,925,869.98 : 358,463,214.81 = 85,573,255.02 : x
  2. Step 2: Convert to fraction form
    238,925,869.98/358,463,214.81 = 85,573,255.02/x
  3. Step 3: Cross multiply
    238,925,869.98x = 358,463,214.81 × 85,573,255.02
  4. Step 4: Simplify right side
    238,925,869.98x = 30,674,864,096,225,168
  5. Step 5: Solve for x
    x = 30,674,864,096,225,168/238,925,869.98
  6. Step 6: Final answer
    x = 128,386,533.02

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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.