Home / 156,959,267.85-216,602,070.63-86,393,369.34

Finding the Fourth Proportional to 156,959,267.85, 216,602,070.63 and 86,393,369.34

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Solution

The fourth proportional to 156,959,267.85, 216,602,070.63 and 86,393,369.34 is: 119,221,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959,267.85 : 216,602,070.63 = 86,393,369.34 : x
  2. Step 2: Convert to fraction form
    156,959,267.85/216,602,070.63 = 86,393,369.34/x
  3. Step 3: Cross multiply
    156,959,267.85x = 216,602,070.63 × 86,393,369.34
  4. Step 4: Simplify right side
    156,959,267.85x = 18,712,982,687,746,356
  5. Step 5: Solve for x
    x = 18,712,982,687,746,356/156,959,267.85
  6. Step 6: Final answer
    x = 119,221,903.52

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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.