Home / 236,500,979.70-354,574,522.35-128,917,082.10

Finding the Fourth Proportional to 236,500,979.70, 354,574,522.35 and 128,917,082.10

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Solution

The fourth proportional to 236,500,979.70, 354,574,522.35 and 128,917,082.10 is: 193,279,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,500,979.70 : 354,574,522.35 = 128,917,082.10 : x
  2. Step 2: Convert to fraction form
    236,500,979.70/354,574,522.35 = 128,917,082.10/x
  3. Step 3: Cross multiply
    236,500,979.70x = 354,574,522.35 × 128,917,082.10
  4. Step 4: Simplify right side
    236,500,979.70x = 45,710,712,808,363,232
  5. Step 5: Solve for x
    x = 45,710,712,808,363,232/236,500,979.70
  6. Step 6: Final answer
    x = 193,279,168.93

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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.