Home / 156,732,966.26-216,291,631.83-86,169,777.11

Finding the Fourth Proportional to 156,732,966.26, 216,291,631.83 and 86,169,777.11

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Solution

The fourth proportional to 156,732,966.26, 216,291,631.83 and 86,169,777.11 is: 118,914,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,732,966.26 : 216,291,631.83 = 86,169,777.11 : x
  2. Step 2: Convert to fraction form
    156,732,966.26/216,291,631.83 = 86,169,777.11/x
  3. Step 3: Cross multiply
    156,732,966.26x = 216,291,631.83 × 86,169,777.11
  4. Step 4: Simplify right side
    156,732,966.26x = 18,637,801,705,549,284
  5. Step 5: Solve for x
    x = 18,637,801,705,549,284/156,732,966.26
  6. Step 6: Final answer
    x = 118,914,368.50

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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.