Home / 133,513,312.23-200,108,543.04-68,781,805.56

Finding the Fourth Proportional to 133,513,312.23, 200,108,543.04 and 68,781,805.56

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Solution

The fourth proportional to 133,513,312.23, 200,108,543.04 and 68,781,805.56 is: 103,089,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,513,312.23 : 200,108,543.04 = 68,781,805.56 : x
  2. Step 2: Convert to fraction form
    133,513,312.23/200,108,543.04 = 68,781,805.56/x
  3. Step 3: Cross multiply
    133,513,312.23x = 200,108,543.04 × 68,781,805.56
  4. Step 4: Simplify right side
    133,513,312.23x = 13,763,826,898,272,172
  5. Step 5: Solve for x
    x = 13,763,826,898,272,172/133,513,312.23
  6. Step 6: Final answer
    x = 103,089,547.16

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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.