Home / 77,013,457.60-115,520,186.40-59,881,374.40

Finding the Fourth Proportional to 77,013,457.60, 115,520,186.40 and 59,881,374.40

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Solution

The fourth proportional to 77,013,457.60, 115,520,186.40 and 59,881,374.40 is: 89,822,061.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,013,457.60 : 115,520,186.40 = 59,881,374.40 : x
  2. Step 2: Convert to fraction form
    77,013,457.60/115,520,186.40 = 59,881,374.40/x
  3. Step 3: Cross multiply
    77,013,457.60x = 115,520,186.40 × 59,881,374.40
  4. Step 4: Simplify right side
    77,013,457.60x = 6,917,507,532,576,188
  5. Step 5: Solve for x
    x = 6,917,507,532,576,188/77,013,457.60
  6. Step 6: Final answer
    x = 89,822,061.60

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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.