Home / 145,221,729.60-217,832,594.40-112,343,246.40

Finding the Fourth Proportional to 145,221,729.60, 217,832,594.40 and 112,343,246.40

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Solution

The fourth proportional to 145,221,729.60, 217,832,594.40 and 112,343,246.40 is: 168,514,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,221,729.60 : 217,832,594.40 = 112,343,246.40 : x
  2. Step 2: Convert to fraction form
    145,221,729.60/217,832,594.40 = 112,343,246.40/x
  3. Step 3: Cross multiply
    145,221,729.60x = 217,832,594.40 × 112,343,246.40
  4. Step 4: Simplify right side
    145,221,729.60x = 24,472,020,826,630,464
  5. Step 5: Solve for x
    x = 24,472,020,826,630,464/145,221,729.60
  6. Step 6: Final answer
    x = 168,514,869.60

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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.