Home / 191,909,384.60-287,438,924.10-166,400,216.60

Finding the Fourth Proportional to 191,909,384.60, 287,438,924.10 and 166,400,216.60

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Solution

The fourth proportional to 191,909,384.60, 287,438,924.10 and 166,400,216.60 is: 249,231,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,384.60 : 287,438,924.10 = 166,400,216.60 : x
  2. Step 2: Convert to fraction form
    191,909,384.60/287,438,924.10 = 166,400,216.60/x
  3. Step 3: Cross multiply
    191,909,384.60x = 287,438,924.10 × 166,400,216.60
  4. Step 4: Simplify right side
    191,909,384.60x = 47,829,899,229,510,960
  5. Step 5: Solve for x
    x = 47,829,899,229,510,960/191,909,384.60
  6. Step 6: Final answer
    x = 249,231,684.68

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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.