Home / 99,656,781.60-149,485,172.40-61,908,045.60

Finding the Fourth Proportional to 99,656,781.60, 149,485,172.40 and 61,908,045.60

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Solution

The fourth proportional to 99,656,781.60, 149,485,172.40 and 61,908,045.60 is: 92,862,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656,781.60 : 149,485,172.40 = 61,908,045.60 : x
  2. Step 2: Convert to fraction form
    99,656,781.60/149,485,172.40 = 61,908,045.60/x
  3. Step 3: Cross multiply
    99,656,781.60x = 149,485,172.40 × 61,908,045.60
  4. Step 4: Simplify right side
    99,656,781.60x = 9,254,334,869,463,062
  5. Step 5: Solve for x
    x = 9,254,334,869,463,062/99,656,781.60
  6. Step 6: Final answer
    x = 92,862,068.40

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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.