Home / 180,455,705.72-249,022,430.60-102,137,577.71

Finding the Fourth Proportional to 180,455,705.72, 249,022,430.60 and 102,137,577.71

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Solution

The fourth proportional to 180,455,705.72, 249,022,430.60 and 102,137,577.71 is: 140,946,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455,705.72 : 249,022,430.60 = 102,137,577.71 : x
  2. Step 2: Convert to fraction form
    180,455,705.72/249,022,430.60 = 102,137,577.71/x
  3. Step 3: Cross multiply
    180,455,705.72x = 249,022,430.60 × 102,137,577.71
  4. Step 4: Simplify right side
    180,455,705.72x = 25,434,547,856,573,368
  5. Step 5: Solve for x
    x = 25,434,547,856,573,368/180,455,705.72
  6. Step 6: Final answer
    x = 140,946,210.34

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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.