Home / 216,799,996.12-299,184,281.82-117,680,679.16

Finding the Fourth Proportional to 216,799,996.12, 299,184,281.82 and 117,680,679.16

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Solution

The fourth proportional to 216,799,996.12, 299,184,281.82 and 117,680,679.16 is: 162,399,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,799,996.12 : 299,184,281.82 = 117,680,679.16 : x
  2. Step 2: Convert to fraction form
    216,799,996.12/299,184,281.82 = 117,680,679.16/x
  3. Step 3: Cross multiply
    216,799,996.12x = 299,184,281.82 × 117,680,679.16
  4. Step 4: Simplify right side
    216,799,996.12x = 35,208,209,478,574,440
  5. Step 5: Solve for x
    x = 35,208,209,478,574,440/216,799,996.12
  6. Step 6: Final answer
    x = 162,399,493.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.