Home / 98,257,543,939.20-147,386,315,908.80-81,931,676,419.20

Finding the Fourth Proportional to 98,257,543,939.20, 147,386,315,908.80 and 81,931,676,419.20

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Solution

The fourth proportional to 98,257,543,939.20, 147,386,315,908.80 and 81,931,676,419.20 is: 122,897,514,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257,543,939.20 : 147,386,315,908.80 = 81,931,676,419.20 : x
  2. Step 2: Convert to fraction form
    98,257,543,939.20/147,386,315,908.80 = 81,931,676,419.20/x
  3. Step 3: Cross multiply
    98,257,543,939.20x = 147,386,315,908.80 × 81,931,676,419.20
  4. Step 4: Simplify right side
    98,257,543,939.20x = 12,075,607,943,657,788,801,024
  5. Step 5: Solve for x
    x = 12,075,607,943,657,788,801,024/98,257,543,939.20
  6. Step 6: Final answer
    x = 122,897,514,628.80

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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.