Home / 313,280,419.04-432,301,632.24-181,129,894.28

Finding the Fourth Proportional to 313,280,419.04, 432,301,632.24 and 181,129,894.28

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Solution

The fourth proportional to 313,280,419.04, 432,301,632.24 and 181,129,894.28 is: 249,944,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,280,419.04 : 432,301,632.24 = 181,129,894.28 : x
  2. Step 2: Convert to fraction form
    313,280,419.04/432,301,632.24 = 181,129,894.28/x
  3. Step 3: Cross multiply
    313,280,419.04x = 432,301,632.24 × 181,129,894.28
  4. Step 4: Simplify right side
    313,280,419.04x = 78,302,748,942,541,136
  5. Step 5: Solve for x
    x = 78,302,748,942,541,136/313,280,419.04
  6. Step 6: Final answer
    x = 249,944,599.74

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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.