Home / 122,326,779.80-183,490,169.70-67,907,221.40

Finding the Fourth Proportional to 122,326,779.80, 183,490,169.70 and 67,907,221.40

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Solution

The fourth proportional to 122,326,779.80, 183,490,169.70 and 67,907,221.40 is: 101,860,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,326,779.80 : 183,490,169.70 = 67,907,221.40 : x
  2. Step 2: Convert to fraction form
    122,326,779.80/183,490,169.70 = 67,907,221.40/x
  3. Step 3: Cross multiply
    122,326,779.80x = 183,490,169.70 × 67,907,221.40
  4. Step 4: Simplify right side
    122,326,779.80x = 12,460,307,578,541,472
  5. Step 5: Solve for x
    x = 12,460,307,578,541,472/122,326,779.80
  6. Step 6: Final answer
    x = 101,860,832.10

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1.5x scale

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.