Home / 99,701,045.20-149,551,567.80-56,702,875.60

Finding the Fourth Proportional to 99,701,045.20, 149,551,567.80 and 56,702,875.60

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Solution

The fourth proportional to 99,701,045.20, 149,551,567.80 and 56,702,875.60 is: 85,054,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,701,045.20 : 149,551,567.80 = 56,702,875.60 : x
  2. Step 2: Convert to fraction form
    99,701,045.20/149,551,567.80 = 56,702,875.60/x
  3. Step 3: Cross multiply
    99,701,045.20x = 149,551,567.80 × 56,702,875.60
  4. Step 4: Simplify right side
    99,701,045.20x = 8,480,003,944,748,367
  5. Step 5: Solve for x
    x = 8,480,003,944,748,367/99,701,045.20
  6. Step 6: Final answer
    x = 85,054,313.40

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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.