Home / 253,456,501.89-349,710,023.93-143,448,211.65

Finding the Fourth Proportional to 253,456,501.89, 349,710,023.93 and 143,448,211.65

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Solution

The fourth proportional to 253,456,501.89, 349,710,023.93 and 143,448,211.65 is: 197,924,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,501.89 : 349,710,023.93 = 143,448,211.65 : x
  2. Step 2: Convert to fraction form
    253,456,501.89/349,710,023.93 = 143,448,211.65/x
  3. Step 3: Cross multiply
    253,456,501.89x = 349,710,023.93 × 143,448,211.65
  4. Step 4: Simplify right side
    253,456,501.89x = 50,165,277,528,119,968
  5. Step 5: Solve for x
    x = 50,165,277,528,119,968/253,456,501.89
  6. Step 6: Final answer
    x = 197,924,603.05

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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.