Home / 216,918,069.30-325,695,968.55-152,507,420.10

Finding the Fourth Proportional to 216,918,069.30, 325,695,968.55 and 152,507,420.10

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Solution

The fourth proportional to 216,918,069.30, 325,695,968.55 and 152,507,420.10 is: 228,985,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,918,069.30 : 325,695,968.55 = 152,507,420.10 : x
  2. Step 2: Convert to fraction form
    216,918,069.30/325,695,968.55 = 152,507,420.10/x
  3. Step 3: Cross multiply
    216,918,069.30x = 325,695,968.55 × 152,507,420.10
  4. Step 4: Simplify right side
    216,918,069.30x = 49,671,051,900,531,240
  5. Step 5: Solve for x
    x = 49,671,051,900,531,240/216,918,069.30
  6. Step 6: Final answer
    x = 228,985,312.57

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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.