Home / 89,579,869,875.20-134,369,804,812.80-66,360,858,291.20

Finding the Fourth Proportional to 89,579,869,875.20, 134,369,804,812.80 and 66,360,858,291.20

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Solution

The fourth proportional to 89,579,869,875.20, 134,369,804,812.80 and 66,360,858,291.20 is: 99,541,287,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,579,869,875.20 : 134,369,804,812.80 = 66,360,858,291.20 : x
  2. Step 2: Convert to fraction form
    89,579,869,875.20/134,369,804,812.80 = 66,360,858,291.20/x
  3. Step 3: Cross multiply
    89,579,869,875.20x = 134,369,804,812.80 × 66,360,858,291.20
  4. Step 4: Simplify right side
    89,579,869,875.20x = 8,916,895,575,798,424,010,752
  5. Step 5: Solve for x
    x = 8,916,895,575,798,424,010,752/89,579,869,875.20
  6. Step 6: Final answer
    x = 99,541,287,436.80

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1.5x scale

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.