Home / 152,362,098.55-210,272,663.37-86,294,349.73

Finding the Fourth Proportional to 152,362,098.55, 210,272,663.37 and 86,294,349.73

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Solution

The fourth proportional to 152,362,098.55, 210,272,663.37 and 86,294,349.73 is: 119,093,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,362,098.55 : 210,272,663.37 = 86,294,349.73 : x
  2. Step 2: Convert to fraction form
    152,362,098.55/210,272,663.37 = 86,294,349.73/x
  3. Step 3: Cross multiply
    152,362,098.55x = 210,272,663.37 × 86,294,349.73
  4. Step 4: Simplify right side
    152,362,098.55x = 18,145,342,751,509,340
  5. Step 5: Solve for x
    x = 18,145,342,751,509,340/152,362,098.55
  6. Step 6: Final answer
    x = 119,093,547.04

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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.