Home / 402,283,136.55-603,282,987.23-143,506,798.95

Finding the Fourth Proportional to 402,283,136.55, 603,282,987.23 and 143,506,798.95

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Solution

The fourth proportional to 402,283,136.55, 603,282,987.23 and 143,506,798.95 is: 215,209,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,283,136.55 : 603,282,987.23 = 143,506,798.95 : x
  2. Step 2: Convert to fraction form
    402,283,136.55/603,282,987.23 = 143,506,798.95/x
  3. Step 3: Cross multiply
    402,283,136.55x = 603,282,987.23 × 143,506,798.95
  4. Step 4: Simplify right side
    402,283,136.55x = 86,575,210,357,653,488
  5. Step 5: Solve for x
    x = 86,575,210,357,653,488/402,283,136.55
  6. Step 6: Final answer
    x = 215,209,643.39

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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.