Home / 328,955,090.80-493,243,679.40-98,889,689.20

Finding the Fourth Proportional to 328,955,090.80, 493,243,679.40 and 98,889,689.20

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Solution

The fourth proportional to 328,955,090.80, 493,243,679.40 and 98,889,689.20 is: 148,277,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955,090.80 : 493,243,679.40 = 98,889,689.20 : x
  2. Step 2: Convert to fraction form
    328,955,090.80/493,243,679.40 = 98,889,689.20/x
  3. Step 3: Cross multiply
    328,955,090.80x = 493,243,679.40 × 98,889,689.20
  4. Step 4: Simplify right side
    328,955,090.80x = 48,776,714,155,730,440
  5. Step 5: Solve for x
    x = 48,776,714,155,730,440/328,955,090.80
  6. Step 6: Final answer
    x = 148,277,730.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.