Home / 99,435,609,696.48-137,221,196,428.29-53,709,884,872.40

Finding the Fourth Proportional to 99,435,609,696.48, 137,221,196,428.29 and 53,709,884,872.40

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Solution

The fourth proportional to 99,435,609,696.48, 137,221,196,428.29 and 53,709,884,872.40 is: 74,119,670,857.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,609,696.48 : 137,221,196,428.29 = 53,709,884,872.40 : x
  2. Step 2: Convert to fraction form
    99,435,609,696.48/137,221,196,428.29 = 53,709,884,872.40/x
  3. Step 3: Cross multiply
    99,435,609,696.48x = 137,221,196,428.29 × 53,709,884,872.40
  4. Step 4: Simplify right side
    99,435,609,696.48x = 7,370,134,662,215,754,579,968
  5. Step 5: Solve for x
    x = 7,370,134,662,215,754,579,968/99,435,609,696.48
  6. Step 6: Final answer
    x = 74,119,670,857.48

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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.