Home / 152,710,690.50-210,738,981.42-83,094,871.95

Finding the Fourth Proportional to 152,710,690.50, 210,738,981.42 and 83,094,871.95

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Solution

The fourth proportional to 152,710,690.50, 210,738,981.42 and 83,094,871.95 is: 114,669,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,710,690.50 : 210,738,981.42 = 83,094,871.95 : x
  2. Step 2: Convert to fraction form
    152,710,690.50/210,738,981.42 = 83,094,871.95/x
  3. Step 3: Cross multiply
    152,710,690.50x = 210,738,981.42 × 83,094,871.95
  4. Step 4: Simplify right side
    152,710,690.50x = 17,511,328,675,968,328
  5. Step 5: Solve for x
    x = 17,511,328,675,968,328/152,710,690.50
  6. Step 6: Final answer
    x = 114,669,959.38

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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.