Home / 157,166,411.95-216,879,875.97-86,598,073.06

Finding the Fourth Proportional to 157,166,411.95, 216,879,875.97 and 86,598,073.06

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Solution

The fourth proportional to 157,166,411.95, 216,879,875.97 and 86,598,073.06 is: 119,499,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,166,411.95 : 216,879,875.97 = 86,598,073.06 : x
  2. Step 2: Convert to fraction form
    157,166,411.95/216,879,875.97 = 86,598,073.06/x
  3. Step 3: Cross multiply
    157,166,411.95x = 216,879,875.97 × 86,598,073.06
  4. Step 4: Simplify right side
    157,166,411.95x = 18,781,379,344,493,800
  5. Step 5: Solve for x
    x = 18,781,379,344,493,800/157,166,411.95
  6. Step 6: Final answer
    x = 119,499,956.20

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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.