Home / 121,382,569.60-182,073,854.40-120,107,111.20

Finding the Fourth Proportional to 121,382,569.60, 182,073,854.40 and 120,107,111.20

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Solution

The fourth proportional to 121,382,569.60, 182,073,854.40 and 120,107,111.20 is: 180,160,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,382,569.60 : 182,073,854.40 = 120,107,111.20 : x
  2. Step 2: Convert to fraction form
    121,382,569.60/182,073,854.40 = 120,107,111.20/x
  3. Step 3: Cross multiply
    121,382,569.60x = 182,073,854.40 × 120,107,111.20
  4. Step 4: Simplify right side
    121,382,569.60x = 21,868,364,677,033,412
  5. Step 5: Solve for x
    x = 21,868,364,677,033,412/121,382,569.60
  6. Step 6: Final answer
    x = 180,160,666.80

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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.