Home / 77,152,885.60-115,862,038.80-54,592,117.60

Finding the Fourth Proportional to 77,152,885.60, 115,862,038.80 and 54,592,117.60

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Solution

The fourth proportional to 77,152,885.60, 115,862,038.80 and 54,592,117.60 is: 81,982,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,152,885.60 : 115,862,038.80 = 54,592,117.60 : x
  2. Step 2: Convert to fraction form
    77,152,885.60/115,862,038.80 = 54,592,117.60/x
  3. Step 3: Cross multiply
    77,152,885.60x = 115,862,038.80 × 54,592,117.60
  4. Step 4: Simplify right side
    77,152,885.60x = 6,325,154,047,545,363
  5. Step 5: Solve for x
    x = 6,325,154,047,545,363/77,152,885.60
  6. Step 6: Final answer
    x = 81,982,080.10

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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.