Home / 194,439,767.40-291,267,740.70-121,432,458.60

Finding the Fourth Proportional to 194,439,767.40, 291,267,740.70 and 121,432,458.60

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Solution

The fourth proportional to 194,439,767.40, 291,267,740.70 and 121,432,458.60 is: 181,903,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,439,767.40 : 291,267,740.70 = 121,432,458.60 : x
  2. Step 2: Convert to fraction form
    194,439,767.40/291,267,740.70 = 121,432,458.60/x
  3. Step 3: Cross multiply
    194,439,767.40x = 291,267,740.70 × 121,432,458.60
  4. Step 4: Simplify right side
    194,439,767.40x = 35,369,357,864,068,280
  5. Step 5: Solve for x
    x = 35,369,357,864,068,280/194,439,767.40
  6. Step 6: Final answer
    x = 181,903,930.13

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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.