Home / 159,497,023.60-220,106,088.48-86,158,165.60

Finding the Fourth Proportional to 159,497,023.60, 220,106,088.48 and 86,158,165.60

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Solution

The fourth proportional to 159,497,023.60, 220,106,088.48 and 86,158,165.60 is: 118,898,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,497,023.60 : 220,106,088.48 = 86,158,165.60 : x
  2. Step 2: Convert to fraction form
    159,497,023.60/220,106,088.48 = 86,158,165.60/x
  3. Step 3: Cross multiply
    159,497,023.60x = 220,106,088.48 × 86,158,165.60
  4. Step 4: Simplify right side
    159,497,023.60x = 18,963,936,820,828,092
  5. Step 5: Solve for x
    x = 18,963,936,820,828,092/159,497,023.60
  6. Step 6: Final answer
    x = 118,898,374.36

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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.