Home / 99,817,970.40-149,726,955.60-61,018,840.80

Finding the Fourth Proportional to 99,817,970.40, 149,726,955.60 and 61,018,840.80

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Solution

The fourth proportional to 99,817,970.40, 149,726,955.60 and 61,018,840.80 is: 91,528,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,817,970.40 : 149,726,955.60 = 61,018,840.80 : x
  2. Step 2: Convert to fraction form
    99,817,970.40/149,726,955.60 = 61,018,840.80/x
  3. Step 3: Cross multiply
    99,817,970.40x = 149,726,955.60 × 61,018,840.80
  4. Step 4: Simplify right side
    99,817,970.40x = 9,136,165,267,225,068
  5. Step 5: Solve for x
    x = 9,136,165,267,225,068/99,817,970.40
  6. Step 6: Final answer
    x = 91,528,261.20

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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.