Home / 81,492,829.65-122,197,254.08-30,348,522.45

Finding the Fourth Proportional to 81,492,829.65, 122,197,254.08 and 30,348,522.45

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Solution

The fourth proportional to 81,492,829.65, 122,197,254.08 and 30,348,522.45 is: 45,507,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,492,829.65 : 122,197,254.08 = 30,348,522.45 : x
  2. Step 2: Convert to fraction form
    81,492,829.65/122,197,254.08 = 30,348,522.45/x
  3. Step 3: Cross multiply
    81,492,829.65x = 122,197,254.08 × 30,348,522.45
  4. Step 4: Simplify right side
    81,492,829.65x = 3,708,506,108,623,491.50
  5. Step 5: Solve for x
    x = 3,708,506,108,623,491.50/81,492,829.65
  6. Step 6: Final answer
    x = 45,507,146.14

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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.