Home / 80,773,852.80-121,160,779.20-48,525,225.60

Finding the Fourth Proportional to 80,773,852.80, 121,160,779.20 and 48,525,225.60

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Solution

The fourth proportional to 80,773,852.80, 121,160,779.20 and 48,525,225.60 is: 72,787,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,773,852.80 : 121,160,779.20 = 48,525,225.60 : x
  2. Step 2: Convert to fraction form
    80,773,852.80/121,160,779.20 = 48,525,225.60/x
  3. Step 3: Cross multiply
    80,773,852.80x = 121,160,779.20 × 48,525,225.60
  4. Step 4: Simplify right side
    80,773,852.80x = 5,879,354,144,551,788
  5. Step 5: Solve for x
    x = 5,879,354,144,551,788/80,773,852.80
  6. Step 6: Final answer
    x = 72,787,838.40

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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.