Home / 313,619,792.90-432,849,486.15-181,533,617.87

Finding the Fourth Proportional to 313,619,792.90, 432,849,486.15 and 181,533,617.87

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Solution

The fourth proportional to 313,619,792.90, 432,849,486.15 and 181,533,617.87 is: 250,547,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,619,792.90 : 432,849,486.15 = 181,533,617.87 : x
  2. Step 2: Convert to fraction form
    313,619,792.90/432,849,486.15 = 181,533,617.87/x
  3. Step 3: Cross multiply
    313,619,792.90x = 432,849,486.15 × 181,533,617.87
  4. Step 4: Simplify right side
    313,619,792.90x = 78,576,733,211,815,712
  5. Step 5: Solve for x
    x = 78,576,733,211,815,712/313,619,792.90
  6. Step 6: Final answer
    x = 250,547,749.19

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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.