Home / 109,859,259.84-164,696,211.54-90,429,444.74

Finding the Fourth Proportional to 109,859,259.84, 164,696,211.54 and 90,429,444.74

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Solution

The fourth proportional to 109,859,259.84, 164,696,211.54 and 90,429,444.74 is: 135,567,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859,259.84 : 164,696,211.54 = 90,429,444.74 : x
  2. Step 2: Convert to fraction form
    109,859,259.84/164,696,211.54 = 90,429,444.74/x
  3. Step 3: Cross multiply
    109,859,259.84x = 164,696,211.54 × 90,429,444.74
  4. Step 4: Simplify right side
    109,859,259.84x = 14,893,386,960,343,778
  5. Step 5: Solve for x
    x = 14,893,386,960,343,778/109,859,259.84
  6. Step 6: Final answer
    x = 135,567,880.05

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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.