Home / 155,575,263.46-233,509,365.87-78,953,281.06

Finding the Fourth Proportional to 155,575,263.46, 233,509,365.87 and 78,953,281.06

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Solution

The fourth proportional to 155,575,263.46, 233,509,365.87 and 78,953,281.06 is: 118,504,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,575,263.46 : 233,509,365.87 = 78,953,281.06 : x
  2. Step 2: Convert to fraction form
    155,575,263.46/233,509,365.87 = 78,953,281.06/x
  3. Step 3: Cross multiply
    155,575,263.46x = 233,509,365.87 × 78,953,281.06
  4. Step 4: Simplify right side
    155,575,263.46x = 18,436,330,593,676,484
  5. Step 5: Solve for x
    x = 18,436,330,593,676,484/155,575,263.46
  6. Step 6: Final answer
    x = 118,504,254.36

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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.