Home / 123,781,709.61-170,822,854.76-68,029,106.22

Finding the Fourth Proportional to 123,781,709.61, 170,822,854.76 and 68,029,106.22

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Solution

The fourth proportional to 123,781,709.61, 170,822,854.76 and 68,029,106.22 is: 93,882,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,709.61 : 170,822,854.76 = 68,029,106.22 : x
  2. Step 2: Convert to fraction form
    123,781,709.61/170,822,854.76 = 68,029,106.22/x
  3. Step 3: Cross multiply
    123,781,709.61x = 170,822,854.76 × 68,029,106.22
  4. Step 4: Simplify right side
    123,781,709.61x = 11,620,926,130,931,526
  5. Step 5: Solve for x
    x = 11,620,926,130,931,526/123,781,709.61
  6. Step 6: Final answer
    x = 93,882,417.42

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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.