Home / 99,435,609,693.86-137,221,196,424.66-53,709,884,869.77

Finding the Fourth Proportional to 99,435,609,693.86, 137,221,196,424.66 and 53,709,884,869.77

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Solution

The fourth proportional to 99,435,609,693.86, 137,221,196,424.66 and 53,709,884,869.77 is: 74,119,670,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,609,693.86 : 137,221,196,424.66 = 53,709,884,869.77 : x
  2. Step 2: Convert to fraction form
    99,435,609,693.86/137,221,196,424.66 = 53,709,884,869.77/x
  3. Step 3: Cross multiply
    99,435,609,693.86x = 137,221,196,424.66 × 53,709,884,869.77
  4. Step 4: Simplify right side
    99,435,609,693.86x = 7,370,134,661,660,582,871,040
  5. Step 5: Solve for x
    x = 7,370,134,661,660,582,871,040/99,435,609,693.86
  6. Step 6: Final answer
    x = 74,119,670,853.85

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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.