Home / 268,140,083.20-402,210,124.80-166,103,411.20

Finding the Fourth Proportional to 268,140,083.20, 402,210,124.80 and 166,103,411.20

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Solution

The fourth proportional to 268,140,083.20, 402,210,124.80 and 166,103,411.20 is: 249,155,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,140,083.20 : 402,210,124.80 = 166,103,411.20 : x
  2. Step 2: Convert to fraction form
    268,140,083.20/402,210,124.80 = 166,103,411.20/x
  3. Step 3: Cross multiply
    268,140,083.20x = 402,210,124.80 × 166,103,411.20
  4. Step 4: Simplify right side
    268,140,083.20x = 66,808,473,748,457,712
  5. Step 5: Solve for x
    x = 66,808,473,748,457,712/268,140,083.20
  6. Step 6: Final answer
    x = 249,155,116.80

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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.