Home / 139,544,680.33-209,446,367.63-70,506,006.93

Finding the Fourth Proportional to 139,544,680.33, 209,446,367.63 and 70,506,006.93

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Solution

The fourth proportional to 139,544,680.33, 209,446,367.63 and 70,506,006.93 is: 105,824,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,544,680.33 : 209,446,367.63 = 70,506,006.93 : x
  2. Step 2: Convert to fraction form
    139,544,680.33/209,446,367.63 = 70,506,006.93/x
  3. Step 3: Cross multiply
    139,544,680.33x = 209,446,367.63 × 70,506,006.93
  4. Step 4: Simplify right side
    139,544,680.33x = 14,767,227,047,231,580
  5. Step 5: Solve for x
    x = 14,767,227,047,231,580/139,544,680.33
  6. Step 6: Final answer
    x = 105,824,364.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.