Home / 225,043,275.40-337,312,970.70-128,045,451.40

Finding the Fourth Proportional to 225,043,275.40, 337,312,970.70 and 128,045,451.40

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Solution

The fourth proportional to 225,043,275.40, 337,312,970.70 and 128,045,451.40 is: 191,924,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,043,275.40 : 337,312,970.70 = 128,045,451.40 : x
  2. Step 2: Convert to fraction form
    225,043,275.40/337,312,970.70 = 128,045,451.40/x
  3. Step 3: Cross multiply
    225,043,275.40x = 337,312,970.70 × 128,045,451.40
  4. Step 4: Simplify right side
    225,043,275.40x = 43,191,391,596,356,472
  5. Step 5: Solve for x
    x = 43,191,391,596,356,472/225,043,275.40
  6. Step 6: Final answer
    x = 191,924,826.55

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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.