Home / 191,520,061.60-287,280,092.40-131,053,885.60

Finding the Fourth Proportional to 191,520,061.60, 287,280,092.40 and 131,053,885.60

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Solution

The fourth proportional to 191,520,061.60, 287,280,092.40 and 131,053,885.60 is: 196,580,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520,061.60 : 287,280,092.40 = 131,053,885.60 : x
  2. Step 2: Convert to fraction form
    191,520,061.60/287,280,092.40 = 131,053,885.60/x
  3. Step 3: Cross multiply
    191,520,061.60x = 287,280,092.40 × 131,053,885.60
  4. Step 4: Simplify right side
    191,520,061.60x = 37,649,172,364,547,024
  5. Step 5: Solve for x
    x = 37,649,172,364,547,024/191,520,061.60
  6. Step 6: Final answer
    x = 196,580,828.40

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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.