Home / 211,266,862.08-291,600,132.48-128,806,114.56

Finding the Fourth Proportional to 211,266,862.08, 291,600,132.48 and 128,806,114.56

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Solution

The fourth proportional to 211,266,862.08, 291,600,132.48 and 128,806,114.56 is: 177,784,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266,862.08 : 291,600,132.48 = 128,806,114.56 : x
  2. Step 2: Convert to fraction form
    211,266,862.08/291,600,132.48 = 128,806,114.56/x
  3. Step 3: Cross multiply
    211,266,862.08x = 291,600,132.48 × 128,806,114.56
  4. Step 4: Simplify right side
    211,266,862.08x = 37,559,880,069,930,064
  5. Step 5: Solve for x
    x = 37,559,880,069,930,064/211,266,862.08
  6. Step 6: Final answer
    x = 177,784,058.04

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1.5x scale

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.