Home / 157,516,781,777.80-217,373,169,478.32-86,231,411,801.80

Finding the Fourth Proportional to 157,516,781,777.80, 217,373,169,478.32 and 86,231,411,801.80

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Solution

The fourth proportional to 157,516,781,777.80, 217,373,169,478.32 and 86,231,411,801.80 is: 118,999,354,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,516,781,777.80 : 217,373,169,478.32 = 86,231,411,801.80 : x
  2. Step 2: Convert to fraction form
    157,516,781,777.80/217,373,169,478.32 = 86,231,411,801.80/x
  3. Step 3: Cross multiply
    157,516,781,777.80x = 217,373,169,478.32 × 86,231,411,801.80
  4. Step 4: Simplify right side
    157,516,781,777.80x = 18,744,395,291,947,475,927,040
  5. Step 5: Solve for x
    x = 18,744,395,291,947,475,927,040/157,516,781,777.80
  6. Step 6: Final answer
    x = 118,999,354,103.04

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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.