Home / 145,185,781.60-217,778,672.40-112,307,298.40

Finding the Fourth Proportional to 145,185,781.60, 217,778,672.40 and 112,307,298.40

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Solution

The fourth proportional to 145,185,781.60, 217,778,672.40 and 112,307,298.40 is: 168,460,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,185,781.60 : 217,778,672.40 = 112,307,298.40 : x
  2. Step 2: Convert to fraction form
    145,185,781.60/217,778,672.40 = 112,307,298.40/x
  3. Step 3: Cross multiply
    145,185,781.60x = 217,778,672.40 × 112,307,298.40
  4. Step 4: Simplify right side
    145,185,781.60x = 24,458,134,346,382,648
  5. Step 5: Solve for x
    x = 24,458,134,346,382,648/145,185,781.60
  6. Step 6: Final answer
    x = 168,460,947.60

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1.5x scale

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.