Home / 145,437,653.10-218,156,479.65-132,045,339.90

Finding the Fourth Proportional to 145,437,653.10, 218,156,479.65 and 132,045,339.90

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Solution

The fourth proportional to 145,437,653.10, 218,156,479.65 and 132,045,339.90 is: 198,068,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437,653.10 : 218,156,479.65 = 132,045,339.90 : x
  2. Step 2: Convert to fraction form
    145,437,653.10/218,156,479.65 = 132,045,339.90/x
  3. Step 3: Cross multiply
    145,437,653.10x = 218,156,479.65 × 132,045,339.90
  4. Step 4: Simplify right side
    145,437,653.10x = 28,806,546,506,771,684
  5. Step 5: Solve for x
    x = 28,806,546,506,771,684/145,437,653.10
  6. Step 6: Final answer
    x = 198,068,009.85

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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.