Home / 60,480,095.10-90,720,142.65-55,218,829.20

Finding the Fourth Proportional to 60,480,095.10, 90,720,142.65 and 55,218,829.20

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Solution

The fourth proportional to 60,480,095.10, 90,720,142.65 and 55,218,829.20 is: 82,828,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,095.10 : 90,720,142.65 = 55,218,829.20 : x
  2. Step 2: Convert to fraction form
    60,480,095.10/90,720,142.65 = 55,218,829.20/x
  3. Step 3: Cross multiply
    60,480,095.10x = 90,720,142.65 × 55,218,829.20
  4. Step 4: Simplify right side
    60,480,095.10x = 5,009,460,061,989,986
  5. Step 5: Solve for x
    x = 5,009,460,061,989,986/60,480,095.10
  6. Step 6: Final answer
    x = 82,828,243.80

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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.