Home / 146,528,430.58-202,209,632.08-80,453,208.61

Finding the Fourth Proportional to 146,528,430.58, 202,209,632.08 and 80,453,208.61

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Solution

The fourth proportional to 146,528,430.58, 202,209,632.08 and 80,453,208.61 is: 111,025,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,430.58 : 202,209,632.08 = 80,453,208.61 : x
  2. Step 2: Convert to fraction form
    146,528,430.58/202,209,632.08 = 80,453,208.61/x
  3. Step 3: Cross multiply
    146,528,430.58x = 202,209,632.08 × 80,453,208.61
  4. Step 4: Simplify right side
    146,528,430.58x = 16,268,413,712,683,590
  5. Step 5: Solve for x
    x = 16,268,413,712,683,590/146,528,430.58
  6. Step 6: Final answer
    x = 111,025,646.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.