Home / 191,397,353.60-287,096,030.40-181,319,657.60

Finding the Fourth Proportional to 191,397,353.60, 287,096,030.40 and 181,319,657.60

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Solution

The fourth proportional to 191,397,353.60, 287,096,030.40 and 181,319,657.60 is: 271,979,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,397,353.60 : 287,096,030.40 = 181,319,657.60 : x
  2. Step 2: Convert to fraction form
    191,397,353.60/287,096,030.40 = 181,319,657.60/x
  3. Step 3: Cross multiply
    191,397,353.60x = 287,096,030.40 × 181,319,657.60
  4. Step 4: Simplify right side
    191,397,353.60x = 52,056,153,930,447,184
  5. Step 5: Solve for x
    x = 52,056,153,930,447,184/191,397,353.60
  6. Step 6: Final answer
    x = 271,979,486.40

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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.