Home / 357,252,877-535,877,815.98-139,055,381.56

Finding the Fourth Proportional to 357,252,877, 535,877,815.98 and 139,055,381.56

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Solution

The fourth proportional to 357,252,877, 535,877,815.98 and 139,055,381.56 is: 208,582,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,252,877 : 535,877,815.98 = 139,055,381.56 : x
  2. Step 2: Convert to fraction form
    357,252,877/535,877,815.98 = 139,055,381.56/x
  3. Step 3: Cross multiply
    357,252,877x = 535,877,815.98 × 139,055,381.56
  4. Step 4: Simplify right side
    357,252,877x = 74,516,694,170,638,368
  5. Step 5: Solve for x
    x = 74,516,694,170,638,368/357,252,877
  6. Step 6: Final answer
    x = 208,582,488.67

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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.