Home / 56,938,280.80-85,407,421.20-54,292,885.60

Finding the Fourth Proportional to 56,938,280.80, 85,407,421.20 and 54,292,885.60

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Solution

The fourth proportional to 56,938,280.80, 85,407,421.20 and 54,292,885.60 is: 81,439,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,280.80 : 85,407,421.20 = 54,292,885.60 : x
  2. Step 2: Convert to fraction form
    56,938,280.80/85,407,421.20 = 54,292,885.60/x
  3. Step 3: Cross multiply
    56,938,280.80x = 85,407,421.20 × 54,292,885.60
  4. Step 4: Simplify right side
    56,938,280.80x = 4,637,015,348,602,615
  5. Step 5: Solve for x
    x = 4,637,015,348,602,615/56,938,280.80
  6. Step 6: Final answer
    x = 81,439,328.40

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1.5x scale

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.