Home / 99,435,609,709.74-137,221,196,446.59-53,709,884,885.66

Finding the Fourth Proportional to 99,435,609,709.74, 137,221,196,446.59 and 53,709,884,885.66

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Solution

The fourth proportional to 99,435,609,709.74, 137,221,196,446.59 and 53,709,884,885.66 is: 74,119,670,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,609,709.74 : 137,221,196,446.59 = 53,709,884,885.66 : x
  2. Step 2: Convert to fraction form
    99,435,609,709.74/137,221,196,446.59 = 53,709,884,885.66/x
  3. Step 3: Cross multiply
    99,435,609,709.74x = 137,221,196,446.59 × 53,709,884,885.66
  4. Step 4: Simplify right side
    99,435,609,709.74x = 7,370,134,665,018,199,769,088
  5. Step 5: Solve for x
    x = 7,370,134,665,018,199,769,088/99,435,609,709.74
  6. Step 6: Final answer
    x = 74,119,670,875.78

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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.