Home / 145,185,876.60-217,778,814.90-112,307,393.40

Finding the Fourth Proportional to 145,185,876.60, 217,778,814.90 and 112,307,393.40

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Solution

The fourth proportional to 145,185,876.60, 217,778,814.90 and 112,307,393.40 is: 168,461,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,185,876.60 : 217,778,814.90 = 112,307,393.40 : x
  2. Step 2: Convert to fraction form
    145,185,876.60/217,778,814.90 = 112,307,393.40/x
  3. Step 3: Cross multiply
    145,185,876.60x = 217,778,814.90 × 112,307,393.40
  4. Step 4: Simplify right side
    145,185,876.60x = 24,458,171,039,160,084
  5. Step 5: Solve for x
    x = 24,458,171,039,160,084/145,185,876.60
  6. Step 6: Final answer
    x = 168,461,090.10

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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.