Home / 191,376,008.90-287,064,013.35-168,701,192.90

Finding the Fourth Proportional to 191,376,008.90, 287,064,013.35 and 168,701,192.90

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Solution

The fourth proportional to 191,376,008.90, 287,064,013.35 and 168,701,192.90 is: 253,051,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,376,008.90 : 287,064,013.35 = 168,701,192.90 : x
  2. Step 2: Convert to fraction form
    191,376,008.90/287,064,013.35 = 168,701,192.90/x
  3. Step 3: Cross multiply
    191,376,008.90x = 287,064,013.35 × 168,701,192.90
  4. Step 4: Simplify right side
    191,376,008.90x = 48,428,041,490,806,528
  5. Step 5: Solve for x
    x = 48,428,041,490,806,528/191,376,008.90
  6. Step 6: Final answer
    x = 253,051,789.35

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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.