Home / 112,833,221.40-169,249,832.10-72,522,437.40

Finding the Fourth Proportional to 112,833,221.40, 169,249,832.10 and 72,522,437.40

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Solution

The fourth proportional to 112,833,221.40, 169,249,832.10 and 72,522,437.40 is: 108,783,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,221.40 : 169,249,832.10 = 72,522,437.40 : x
  2. Step 2: Convert to fraction form
    112,833,221.40/169,249,832.10 = 72,522,437.40/x
  3. Step 3: Cross multiply
    112,833,221.40x = 169,249,832.10 × 72,522,437.40
  4. Step 4: Simplify right side
    112,833,221.40x = 12,274,410,353,432,762
  5. Step 5: Solve for x
    x = 12,274,410,353,432,762/112,833,221.40
  6. Step 6: Final answer
    x = 108,783,656.10

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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.