Home / 118,136,765.32-177,205,147.98-31,875,172.07

Finding the Fourth Proportional to 118,136,765.32, 177,205,147.98 and 31,875,172.07

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Solution

The fourth proportional to 118,136,765.32, 177,205,147.98 and 31,875,172.07 is: 47,812,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,136,765.32 : 177,205,147.98 = 31,875,172.07 : x
  2. Step 2: Convert to fraction form
    118,136,765.32/177,205,147.98 = 31,875,172.07/x
  3. Step 3: Cross multiply
    118,136,765.32x = 177,205,147.98 × 31,875,172.07
  4. Step 4: Simplify right side
    118,136,765.32x = 5,648,444,583,426,132
  5. Step 5: Solve for x
    x = 5,648,444,583,426,132/118,136,765.32
  6. Step 6: Final answer
    x = 47,812,758.10

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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.