Home / 89,424,000.80-134,136,001.20-85,896,807.20

Finding the Fourth Proportional to 89,424,000.80, 134,136,001.20 and 85,896,807.20

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Solution

The fourth proportional to 89,424,000.80, 134,136,001.20 and 85,896,807.20 is: 128,845,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424,000.80 : 134,136,001.20 = 85,896,807.20 : x
  2. Step 2: Convert to fraction form
    89,424,000.80/134,136,001.20 = 85,896,807.20/x
  3. Step 3: Cross multiply
    89,424,000.80x = 134,136,001.20 × 85,896,807.20
  4. Step 4: Simplify right side
    89,424,000.80x = 11,521,854,233,655,370
  5. Step 5: Solve for x
    x = 11,521,854,233,655,370/89,424,000.80
  6. Step 6: Final answer
    x = 128,845,210.80

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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.