Home / 357,475,881.60-536,213,822.40-139,136,299.20

Finding the Fourth Proportional to 357,475,881.60, 536,213,822.40 and 139,136,299.20

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Solution

The fourth proportional to 357,475,881.60, 536,213,822.40 and 139,136,299.20 is: 208,704,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,475,881.60 : 536,213,822.40 = 139,136,299.20 : x
  2. Step 2: Convert to fraction form
    357,475,881.60/536,213,822.40 = 139,136,299.20/x
  3. Step 3: Cross multiply
    357,475,881.60x = 536,213,822.40 × 139,136,299.20
  4. Step 4: Simplify right side
    357,475,881.60x = 74,606,806,828,622,048
  5. Step 5: Solve for x
    x = 74,606,806,828,622,048/357,475,881.60
  6. Step 6: Final answer
    x = 208,704,448.80

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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.