Home / 191,376,078.40-287,064,117.60-168,701,262.40

Finding the Fourth Proportional to 191,376,078.40, 287,064,117.60 and 168,701,262.40

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Solution

The fourth proportional to 191,376,078.40, 287,064,117.60 and 168,701,262.40 is: 253,051,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,376,078.40 : 287,064,117.60 = 168,701,262.40 : x
  2. Step 2: Convert to fraction form
    191,376,078.40/287,064,117.60 = 168,701,262.40/x
  3. Step 3: Cross multiply
    191,376,078.40x = 287,064,117.60 × 168,701,262.40
  4. Step 4: Simplify right side
    191,376,078.40x = 48,428,079,028,862,064
  5. Step 5: Solve for x
    x = 48,428,079,028,862,064/191,376,078.40
  6. Step 6: Final answer
    x = 253,051,893.60

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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.