Home / 161,779,676,103.86-223,073,254,283.18-121,003,911,442.26

Finding the Fourth Proportional to 161,779,676,103.86, 223,073,254,283.18 and 121,003,911,442.26

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Solution

The fourth proportional to 161,779,676,103.86, 223,073,254,283.18 and 121,003,911,442.26 is: 166,848,747,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779,676,103.86 : 223,073,254,283.18 = 121,003,911,442.26 : x
  2. Step 2: Convert to fraction form
    161,779,676,103.86/223,073,254,283.18 = 121,003,911,442.26/x
  3. Step 3: Cross multiply
    161,779,676,103.86x = 223,073,254,283.18 × 121,003,911,442.26
  4. Step 4: Simplify right side
    161,779,676,103.86x = 26,992,736,306,418,658,836,480
  5. Step 5: Solve for x
    x = 26,992,736,306,418,658,836,480/161,779,676,103.86
  6. Step 6: Final answer
    x = 166,848,747,361.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.