Home / 156,732,970.26-216,291,637.38-86,169,781.14

Finding the Fourth Proportional to 156,732,970.26, 216,291,637.38 and 86,169,781.14

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Solution

The fourth proportional to 156,732,970.26, 216,291,637.38 and 86,169,781.14 is: 118,914,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732,970.26 : 216,291,637.38 = 86,169,781.14 : x
  2. Step 2: Convert to fraction form
    156,732,970.26/216,291,637.38 = 86,169,781.14/x
  3. Step 3: Cross multiply
    156,732,970.26x = 216,291,637.38 × 86,169,781.14
  4. Step 4: Simplify right side
    156,732,970.26x = 18,637,803,055,446,844
  5. Step 5: Solve for x
    x = 18,637,803,055,446,844/156,732,970.26
  6. Step 6: Final answer
    x = 118,914,374.08

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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.