Home / 109,859,258.84-164,696,210.04-90,429,443.74

Finding the Fourth Proportional to 109,859,258.84, 164,696,210.04 and 90,429,443.74

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Solution

The fourth proportional to 109,859,258.84, 164,696,210.04 and 90,429,443.74 is: 135,567,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859,258.84 : 164,696,210.04 = 90,429,443.74 : x
  2. Step 2: Convert to fraction form
    109,859,258.84/164,696,210.04 = 90,429,443.74/x
  3. Step 3: Cross multiply
    109,859,258.84x = 164,696,210.04 × 90,429,443.74
  4. Step 4: Simplify right side
    109,859,258.84x = 14,893,386,660,003,402
  5. Step 5: Solve for x
    x = 14,893,386,660,003,402/109,859,258.84
  6. Step 6: Final answer
    x = 135,567,878.55

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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.