Home / 43,854,530.40-65,781,795.60-30,249,640.80

Finding the Fourth Proportional to 43,854,530.40, 65,781,795.60 and 30,249,640.80

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Solution

The fourth proportional to 43,854,530.40, 65,781,795.60 and 30,249,640.80 is: 45,374,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854,530.40 : 65,781,795.60 = 30,249,640.80 : x
  2. Step 2: Convert to fraction form
    43,854,530.40/65,781,795.60 = 30,249,640.80/x
  3. Step 3: Cross multiply
    43,854,530.40x = 65,781,795.60 × 30,249,640.80
  4. Step 4: Simplify right side
    43,854,530.40x = 1,989,875,688,079,020.50
  5. Step 5: Solve for x
    x = 1,989,875,688,079,020.50/43,854,530.40
  6. Step 6: Final answer
    x = 45,374,461.20

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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.