Home / 180,785,281.32-249,249,519-117,092,298.60

Finding the Fourth Proportional to 180,785,281.32, 249,249,519 and 117,092,298.60

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Solution

The fourth proportional to 180,785,281.32, 249,249,519 and 117,092,298.60 is: 161,435,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,785,281.32 : 249,249,519 = 117,092,298.60 : x
  2. Step 2: Convert to fraction form
    180,785,281.32/249,249,519 = 117,092,298.60/x
  3. Step 3: Cross multiply
    180,785,281.32x = 249,249,519 × 117,092,298.60
  4. Step 4: Simplify right side
    180,785,281.32x = 29,185,199,104,654,372
  5. Step 5: Solve for x
    x = 29,185,199,104,654,372/180,785,281.32
  6. Step 6: Final answer
    x = 161,435,703.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.