Home / 409,421,632.32-614,240,136.36-147,132,681.12

Finding the Fourth Proportional to 409,421,632.32, 614,240,136.36 and 147,132,681.12

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Solution

The fourth proportional to 409,421,632.32, 614,240,136.36 and 147,132,681.12 is: 220,737,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,421,632.32 : 614,240,136.36 = 147,132,681.12 : x
  2. Step 2: Convert to fraction form
    409,421,632.32/614,240,136.36 = 147,132,681.12/x
  3. Step 3: Cross multiply
    409,421,632.32x = 614,240,136.36 × 147,132,681.12
  4. Step 4: Simplify right side
    409,421,632.32x = 90,374,798,114,161,200
  5. Step 5: Solve for x
    x = 90,374,798,114,161,200/409,421,632.32
  6. Step 6: Final answer
    x = 220,737,721.17

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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.