Home / 160,144,543.78-220,993,547.61-86,804,111.14

Finding the Fourth Proportional to 160,144,543.78, 220,993,547.61 and 86,804,111.14

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Solution

The fourth proportional to 160,144,543.78, 220,993,547.61 and 86,804,111.14 is: 119,786,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,144,543.78 : 220,993,547.61 = 86,804,111.14 : x
  2. Step 2: Convert to fraction form
    160,144,543.78/220,993,547.61 = 86,804,111.14/x
  3. Step 3: Cross multiply
    160,144,543.78x = 220,993,547.61 × 86,804,111.14
  4. Step 4: Simplify right side
    160,144,543.78x = 19,183,148,467,961,324
  5. Step 5: Solve for x
    x = 19,183,148,467,961,324/160,144,543.78
  6. Step 6: Final answer
    x = 119,786,463.00

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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.