Home / 106,779,705.70-147,357,153.68-62,728,561.21

Finding the Fourth Proportional to 106,779,705.70, 147,357,153.68 and 62,728,561.21

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Solution

The fourth proportional to 106,779,705.70, 147,357,153.68 and 62,728,561.21 is: 86,566,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,779,705.70 : 147,357,153.68 = 62,728,561.21 : x
  2. Step 2: Convert to fraction form
    106,779,705.70/147,357,153.68 = 62,728,561.21/x
  3. Step 3: Cross multiply
    106,779,705.70x = 147,357,153.68 × 62,728,561.21
  4. Step 4: Simplify right side
    106,779,705.70x = 9,243,502,233,968,904
  5. Step 5: Solve for x
    x = 9,243,502,233,968,904/106,779,705.70
  6. Step 6: Final answer
    x = 86,566,095.81

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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.