Home / 178,779,545.60-268,059,569.12-69,477,092.48

Finding the Fourth Proportional to 178,779,545.60, 268,059,569.12 and 69,477,092.48

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Solution

The fourth proportional to 178,779,545.60, 268,059,569.12 and 69,477,092.48 is: 104,172,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,779,545.60 : 268,059,569.12 = 69,477,092.48 : x
  2. Step 2: Convert to fraction form
    178,779,545.60/268,059,569.12 = 69,477,092.48/x
  3. Step 3: Cross multiply
    178,779,545.60x = 268,059,569.12 × 69,477,092.48
  4. Step 4: Simplify right side
    178,779,545.60x = 18,623,999,473,899,192
  5. Step 5: Solve for x
    x = 18,623,999,473,899,192/178,779,545.60
  6. Step 6: Final answer
    x = 104,172,988.09

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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.