Home / 282,811,370.40-390,234,075.84-159,044,666.40

Finding the Fourth Proportional to 282,811,370.40, 390,234,075.84 and 159,044,666.40

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Solution

The fourth proportional to 282,811,370.40, 390,234,075.84 and 159,044,666.40 is: 219,455,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,811,370.40 : 390,234,075.84 = 159,044,666.40 : x
  2. Step 2: Convert to fraction form
    282,811,370.40/390,234,075.84 = 159,044,666.40/x
  3. Step 3: Cross multiply
    282,811,370.40x = 390,234,075.84 × 159,044,666.40
  4. Step 4: Simplify right side
    282,811,370.40x = 62,064,648,409,885,096
  5. Step 5: Solve for x
    x = 62,064,648,409,885,096/282,811,370.40
  6. Step 6: Final answer
    x = 219,455,986.94

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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.