Home / 180,511,539,765.80-249,102,573,665.92-99,219,624,879.28

Finding the Fourth Proportional to 180,511,539,765.80, 249,102,573,665.92 and 99,219,624,879.28

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Solution

The fourth proportional to 180,511,539,765.80, 249,102,573,665.92 and 99,219,624,879.28 is: 136,921,240,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,511,539,765.80 : 249,102,573,665.92 = 99,219,624,879.28 : x
  2. Step 2: Convert to fraction form
    180,511,539,765.80/249,102,573,665.92 = 99,219,624,879.28/x
  3. Step 3: Cross multiply
    180,511,539,765.80x = 249,102,573,665.92 × 99,219,624,879.28
  4. Step 4: Simplify right side
    180,511,539,765.80x = 24,715,863,915,594,547,986,432
  5. Step 5: Solve for x
    x = 24,715,863,915,594,547,986,432/180,511,539,765.80
  6. Step 6: Final answer
    x = 136,921,240,313.29

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1.5x scale

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.