Home / 379,813,430.65-569,640,428.84-107,120,424.73

Finding the Fourth Proportional to 379,813,430.65, 569,640,428.84 and 107,120,424.73

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Solution

The fourth proportional to 379,813,430.65, 569,640,428.84 and 107,120,424.73 is: 160,658,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,813,430.65 : 569,640,428.84 = 107,120,424.73 : x
  2. Step 2: Convert to fraction form
    379,813,430.65/569,640,428.84 = 107,120,424.73/x
  3. Step 3: Cross multiply
    379,813,430.65x = 569,640,428.84 × 107,120,424.73
  4. Step 4: Simplify right side
    379,813,430.65x = 61,020,124,680,031,672
  5. Step 5: Solve for x
    x = 61,020,124,680,031,672/379,813,430.65
  6. Step 6: Final answer
    x = 160,658,154.13

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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.