Home / 145,160,246.40-217,740,369.60-83,938,243.20

Finding the Fourth Proportional to 145,160,246.40, 217,740,369.60 and 83,938,243.20

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Solution

The fourth proportional to 145,160,246.40, 217,740,369.60 and 83,938,243.20 is: 125,907,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160,246.40 : 217,740,369.60 = 83,938,243.20 : x
  2. Step 2: Convert to fraction form
    145,160,246.40/217,740,369.60 = 83,938,243.20/x
  3. Step 3: Cross multiply
    145,160,246.40x = 217,740,369.60 × 83,938,243.20
  4. Step 4: Simplify right side
    145,160,246.40x = 18,276,744,097,942,688
  5. Step 5: Solve for x
    x = 18,276,744,097,942,688/145,160,246.40
  6. Step 6: Final answer
    x = 125,907,364.80

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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.