Home / 156,784,390-216,374,577.60-94,062,848.40

Finding the Fourth Proportional to 156,784,390, 216,374,577.60 and 94,062,848.40

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Solution

The fourth proportional to 156,784,390, 216,374,577.60 and 94,062,848.40 is: 129,814,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784,390 : 216,374,577.60 = 94,062,848.40 : x
  2. Step 2: Convert to fraction form
    156,784,390/216,374,577.60 = 94,062,848.40/x
  3. Step 3: Cross multiply
    156,784,390x = 216,374,577.60 × 94,062,848.40
  4. Step 4: Simplify right side
    156,784,390x = 20,352,809,090,402,836
  5. Step 5: Solve for x
    x = 20,352,809,090,402,836/156,784,390
  6. Step 6: Final answer
    x = 129,814,001.83

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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.