Home / 168,038,038.08-252,057,100.32-53,031,581.28

Finding the Fourth Proportional to 168,038,038.08, 252,057,100.32 and 53,031,581.28

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Solution

The fourth proportional to 168,038,038.08, 252,057,100.32 and 53,031,581.28 is: 79,547,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038,038.08 : 252,057,100.32 = 53,031,581.28 : x
  2. Step 2: Convert to fraction form
    168,038,038.08/252,057,100.32 = 53,031,581.28/x
  3. Step 3: Cross multiply
    168,038,038.08x = 252,057,100.32 × 53,031,581.28
  4. Step 4: Simplify right side
    168,038,038.08x = 13,366,986,602,821,194
  5. Step 5: Solve for x
    x = 13,366,986,602,821,194/168,038,038.08
  6. Step 6: Final answer
    x = 79,547,385.55

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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.