Home / 290,051,971.71-434,787,048.63-134,714,869.17

Finding the Fourth Proportional to 290,051,971.71, 434,787,048.63 and 134,714,869.17

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Solution

The fourth proportional to 290,051,971.71, 434,787,048.63 and 134,714,869.17 is: 201,937,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,051,971.71 : 434,787,048.63 = 134,714,869.17 : x
  2. Step 2: Convert to fraction form
    290,051,971.71/434,787,048.63 = 134,714,869.17/x
  3. Step 3: Cross multiply
    290,051,971.71x = 434,787,048.63 × 134,714,869.17
  4. Step 4: Simplify right side
    290,051,971.71x = 58,572,280,373,000,872
  5. Step 5: Solve for x
    x = 58,572,280,373,000,872/290,051,971.71
  6. Step 6: Final answer
    x = 201,937,190.87

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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.