Home / 80,896,256.40-121,344,384.60-53,686,477.20

Finding the Fourth Proportional to 80,896,256.40, 121,344,384.60 and 53,686,477.20

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Solution

The fourth proportional to 80,896,256.40, 121,344,384.60 and 53,686,477.20 is: 80,529,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896,256.40 : 121,344,384.60 = 53,686,477.20 : x
  2. Step 2: Convert to fraction form
    80,896,256.40/121,344,384.60 = 53,686,477.20/x
  3. Step 3: Cross multiply
    80,896,256.40x = 121,344,384.60 × 53,686,477.20
  4. Step 4: Simplify right side
    80,896,256.40x = 6,514,552,537,175,931
  5. Step 5: Solve for x
    x = 6,514,552,537,175,931/80,896,256.40
  6. Step 6: Final answer
    x = 80,529,715.80

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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.