Home / 141,334,977,039.68-195,042,900,953.40-77,105,506,715.12

Finding the Fourth Proportional to 141,334,977,039.68, 195,042,900,953.40 and 77,105,506,715.12

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Solution

The fourth proportional to 141,334,977,039.68, 195,042,900,953.40 and 77,105,506,715.12 is: 106,405,944,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,334,977,039.68 : 195,042,900,953.40 = 77,105,506,715.12 : x
  2. Step 2: Convert to fraction form
    141,334,977,039.68/195,042,900,953.40 = 77,105,506,715.12/x
  3. Step 3: Cross multiply
    141,334,977,039.68x = 195,042,900,953.40 × 77,105,506,715.12
  4. Step 4: Simplify right side
    141,334,977,039.68x = 15,038,881,709,198,866,907,136
  5. Step 5: Solve for x
    x = 15,038,881,709,198,866,907,136/141,334,977,039.68
  6. Step 6: Final answer
    x = 106,405,944,403.82

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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.