Home / 157,166,407.55-216,879,869.93-86,598,068.68

Finding the Fourth Proportional to 157,166,407.55, 216,879,869.93 and 86,598,068.68

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Solution

The fourth proportional to 157,166,407.55, 216,879,869.93 and 86,598,068.68 is: 119,499,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,166,407.55 : 216,879,869.93 = 86,598,068.68 : x
  2. Step 2: Convert to fraction form
    157,166,407.55/216,879,869.93 = 86,598,068.68/x
  3. Step 3: Cross multiply
    157,166,407.55x = 216,879,869.93 × 86,598,068.68
  4. Step 4: Simplify right side
    157,166,407.55x = 18,781,377,870,667,052
  5. Step 5: Solve for x
    x = 18,781,377,870,667,052/157,166,407.55
  6. Step 6: Final answer
    x = 119,499,950.17

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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.