Home / 160,294,899.24-221,207,386.59-86,956,041.24

Finding the Fourth Proportional to 160,294,899.24, 221,207,386.59 and 86,956,041.24

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Solution

The fourth proportional to 160,294,899.24, 221,207,386.59 and 86,956,041.24 is: 119,999,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,294,899.24 : 221,207,386.59 = 86,956,041.24 : x
  2. Step 2: Convert to fraction form
    160,294,899.24/221,207,386.59 = 86,956,041.24/x
  3. Step 3: Cross multiply
    160,294,899.24x = 221,207,386.59 × 86,956,041.24
  4. Step 4: Simplify right side
    160,294,899.24x = 19,235,318,630,912,664
  5. Step 5: Solve for x
    x = 19,235,318,630,912,664/160,294,899.24
  6. Step 6: Final answer
    x = 119,999,567.81

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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.