Home / 127,872,388.40-191,808,582.60-116,157,066.80

Finding the Fourth Proportional to 127,872,388.40, 191,808,582.60 and 116,157,066.80

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Solution

The fourth proportional to 127,872,388.40, 191,808,582.60 and 116,157,066.80 is: 174,235,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,388.40 : 191,808,582.60 = 116,157,066.80 : x
  2. Step 2: Convert to fraction form
    127,872,388.40/191,808,582.60 = 116,157,066.80/x
  3. Step 3: Cross multiply
    127,872,388.40x = 191,808,582.60 × 116,157,066.80
  4. Step 4: Simplify right side
    127,872,388.40x = 22,279,922,341,881,516
  5. Step 5: Solve for x
    x = 22,279,922,341,881,516/127,872,388.40
  6. Step 6: Final answer
    x = 174,235,600.20

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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.