Home / 156,640,210.02-216,150,816.81-90,564,947.64

Finding the Fourth Proportional to 156,640,210.02, 216,150,816.81 and 90,564,947.64

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Solution

The fourth proportional to 156,640,210.02, 216,150,816.81 and 90,564,947.64 is: 124,972,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,640,210.02 : 216,150,816.81 = 90,564,947.64 : x
  2. Step 2: Convert to fraction form
    156,640,210.02/216,150,816.81 = 90,564,947.64/x
  3. Step 3: Cross multiply
    156,640,210.02x = 216,150,816.81 × 90,564,947.64
  4. Step 4: Simplify right side
    156,640,210.02x = 19,575,687,406,740,884
  5. Step 5: Solve for x
    x = 19,575,687,406,740,884/156,640,210.02
  6. Step 6: Final answer
    x = 124,972,300.56

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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.