Home / 228,528,059.80-342,792,089.70-217,380,386.20

Finding the Fourth Proportional to 228,528,059.80, 342,792,089.70 and 217,380,386.20

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Solution

The fourth proportional to 228,528,059.80, 342,792,089.70 and 217,380,386.20 is: 326,070,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,528,059.80 : 342,792,089.70 = 217,380,386.20 : x
  2. Step 2: Convert to fraction form
    228,528,059.80/342,792,089.70 = 217,380,386.20/x
  3. Step 3: Cross multiply
    228,528,059.80x = 342,792,089.70 × 217,380,386.20
  4. Step 4: Simplify right side
    228,528,059.80x = 74,516,276,845,291,040
  5. Step 5: Solve for x
    x = 74,516,276,845,291,040/228,528,059.80
  6. Step 6: Final answer
    x = 326,070,579.30

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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.