Home / 169,020,915.63-253,543,699.89-52,421,468.55

Finding the Fourth Proportional to 169,020,915.63, 253,543,699.89 and 52,421,468.55

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Solution

The fourth proportional to 169,020,915.63, 253,543,699.89 and 52,421,468.55 is: 78,636,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,020,915.63 : 253,543,699.89 = 52,421,468.55 : x
  2. Step 2: Convert to fraction form
    169,020,915.63/253,543,699.89 = 52,421,468.55/x
  3. Step 3: Cross multiply
    169,020,915.63x = 253,543,699.89 × 52,421,468.55
  4. Step 4: Simplify right side
    169,020,915.63x = 13,291,133,089,834,272
  5. Step 5: Solve for x
    x = 13,291,133,089,834,272/169,020,915.63
  6. Step 6: Final answer
    x = 78,636,025.85

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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.