Home / 354,343,088.10-531,514,632.15-208,627,068.90

Finding the Fourth Proportional to 354,343,088.10, 531,514,632.15 and 208,627,068.90

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Solution

The fourth proportional to 354,343,088.10, 531,514,632.15 and 208,627,068.90 is: 312,940,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,343,088.10 : 531,514,632.15 = 208,627,068.90 : x
  2. Step 2: Convert to fraction form
    354,343,088.10/531,514,632.15 = 208,627,068.90/x
  3. Step 3: Cross multiply
    354,343,088.10x = 531,514,632.15 × 208,627,068.90
  4. Step 4: Simplify right side
    354,343,088.10x = 110,888,339,782,916,208
  5. Step 5: Solve for x
    x = 110,888,339,782,916,208/354,343,088.10
  6. Step 6: Final answer
    x = 312,940,603.35

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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.