Home / 103,520,330.80-155,280,496.20-49,639,908.40

Finding the Fourth Proportional to 103,520,330.80, 155,280,496.20 and 49,639,908.40

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Solution

The fourth proportional to 103,520,330.80, 155,280,496.20 and 49,639,908.40 is: 74,459,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,330.80 : 155,280,496.20 = 49,639,908.40 : x
  2. Step 2: Convert to fraction form
    103,520,330.80/155,280,496.20 = 49,639,908.40/x
  3. Step 3: Cross multiply
    103,520,330.80x = 155,280,496.20 × 49,639,908.40
  4. Step 4: Simplify right side
    103,520,330.80x = 7,708,109,607,674,547
  5. Step 5: Solve for x
    x = 7,708,109,607,674,547/103,520,330.80
  6. Step 6: Final answer
    x = 74,459,862.60

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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.