Home / 109,186,925.34-163,861,730.40-80,115,886.13

Finding the Fourth Proportional to 109,186,925.34, 163,861,730.40 and 80,115,886.13

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Solution

The fourth proportional to 109,186,925.34, 163,861,730.40 and 80,115,886.13 is: 120,233,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,186,925.34 : 163,861,730.40 = 80,115,886.13 : x
  2. Step 2: Convert to fraction form
    109,186,925.34/163,861,730.40 = 80,115,886.13/x
  3. Step 3: Cross multiply
    109,186,925.34x = 163,861,730.40 × 80,115,886.13
  4. Step 4: Simplify right side
    109,186,925.34x = 13,127,927,732,971,852
  5. Step 5: Solve for x
    x = 13,127,927,732,971,852/109,186,925.34
  6. Step 6: Final answer
    x = 120,233,514.15

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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.