Home / 145,351,996.80-217,828,929.60-118,478,140.80

Finding the Fourth Proportional to 145,351,996.80, 217,828,929.60 and 118,478,140.80

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Solution

The fourth proportional to 145,351,996.80, 217,828,929.60 and 118,478,140.80 is: 177,554,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,351,996.80 : 217,828,929.60 = 118,478,140.80 : x
  2. Step 2: Convert to fraction form
    145,351,996.80/217,828,929.60 = 118,478,140.80/x
  3. Step 3: Cross multiply
    145,351,996.80x = 217,828,929.60 × 118,478,140.80
  4. Step 4: Simplify right side
    145,351,996.80x = 25,807,966,591,462,088
  5. Step 5: Solve for x
    x = 25,807,966,591,462,088/145,351,996.80
  6. Step 6: Final answer
    x = 177,554,950.46

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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.