Home / 129,029,316.20-193,539,827.10-42,771,703.40

Finding the Fourth Proportional to 129,029,316.20, 193,539,827.10 and 42,771,703.40

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Solution

The fourth proportional to 129,029,316.20, 193,539,827.10 and 42,771,703.40 is: 64,156,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029,316.20 : 193,539,827.10 = 42,771,703.40 : x
  2. Step 2: Convert to fraction form
    129,029,316.20/193,539,827.10 = 42,771,703.40/x
  3. Step 3: Cross multiply
    129,029,316.20x = 193,539,827.10 × 42,771,703.40
  4. Step 4: Simplify right side
    129,029,316.20x = 8,278,028,080,808,482
  5. Step 5: Solve for x
    x = 8,278,028,080,808,482/129,029,316.20
  6. Step 6: Final answer
    x = 64,156,180.35

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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.