Home / 209,980,931.10-314,971,396.65-133,054,518.30

Finding the Fourth Proportional to 209,980,931.10, 314,971,396.65 and 133,054,518.30

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Solution

The fourth proportional to 209,980,931.10, 314,971,396.65 and 133,054,518.30 is: 199,581,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,980,931.10 : 314,971,396.65 = 133,054,518.30 : x
  2. Step 2: Convert to fraction form
    209,980,931.10/314,971,396.65 = 133,054,518.30/x
  3. Step 3: Cross multiply
    209,980,931.10x = 314,971,396.65 × 133,054,518.30
  4. Step 4: Simplify right side
    209,980,931.10x = 41,908,367,459,543,976
  5. Step 5: Solve for x
    x = 41,908,367,459,543,976/209,980,931.10
  6. Step 6: Final answer
    x = 199,581,777.45

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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.