Home / 186,842,852.13-257,838,140.43-103,209,182.76

Finding the Fourth Proportional to 186,842,852.13, 257,838,140.43 and 103,209,182.76

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Solution

The fourth proportional to 186,842,852.13, 257,838,140.43 and 103,209,182.76 is: 142,425,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842,852.13 : 257,838,140.43 = 103,209,182.76 : x
  2. Step 2: Convert to fraction form
    186,842,852.13/257,838,140.43 = 103,209,182.76/x
  3. Step 3: Cross multiply
    186,842,852.13x = 257,838,140.43 × 103,209,182.76
  4. Step 4: Simplify right side
    186,842,852.13x = 26,611,263,758,138,416
  5. Step 5: Solve for x
    x = 26,611,263,758,138,416/186,842,852.13
  6. Step 6: Final answer
    x = 142,425,912.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.