Home / 64,558,759,890.49-89,123,343,017.18-40,152,037,098.77

Finding the Fourth Proportional to 64,558,759,890.49, 89,123,343,017.18 and 40,152,037,098.77

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Solution

The fourth proportional to 64,558,759,890.49, 89,123,343,017.18 and 40,152,037,098.77 is: 55,429,871,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558,759,890.49 : 89,123,343,017.18 = 40,152,037,098.77 : x
  2. Step 2: Convert to fraction form
    64,558,759,890.49/89,123,343,017.18 = 40,152,037,098.77/x
  3. Step 3: Cross multiply
    64,558,759,890.49x = 89,123,343,017.18 × 40,152,037,098.77
  4. Step 4: Simplify right side
    64,558,759,890.49x = 3,578,483,775,191,769,415,680
  5. Step 5: Solve for x
    x = 3,578,483,775,191,769,415,680/64,558,759,890.49
  6. Step 6: Final answer
    x = 55,429,871,658.97

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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.